3161-Unit-2-Pretest

3161-Unit-2-Pretest
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Provide an appropriate response.
1) Express 72 : 102 as a ratio whose second term is 1.
72
17
A)
:1
B)
:1
17
72
1)
2) Express 30 : 6 as a ratio whose second term is 1.
5
10
A) : 1
B)
:1
6
2
3) Express
12
C)
:1
17
17
D)
:1
12
C) 5 : 1
1
D) : 1
5
2)
7 1
: as a ratio whose terms are whole numbers.
3 6
A) 1: 14
B) 6 : 14
C) 3 : 7
D) 14 : 1
10
C)
:1
7
3
D)
:1
10
B) 0.89%
C) 0.0089%
D) 890%
B) 0.595%
C) 59.5%
D) 0.0595%
B) 800%
C) 400%
D) 0.8%
4) Express 30 : 70 as a ratio whose second term is 1.
3
7
A) : 1
B) : 1
7
3
Write as a percent.
5) 8.9
A) 89%
6) 0.595
A) 595%
3)
4)
5)
6)
7) 8
7)
A) 0.08%
Solve the problem. Round your answer to the nearest tenth of a percent unless otherwise indicated.
8) Enrollment in a business seminar increased from 51 people to 64 people. What was the percent of
increase?
A) 25.5%
B) 74.5%
C) 20.3%
D) 79.7%
9) On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the
student got 32 questions correct. What was the percent of increase?
A) 21.9%
B) 7%
C) 28%
D) 72%
10) All 33 of the students in a mathematics class attended class on Monday. On Tuesday only 27
students attended. What was the percent of decrease?
A) 77.8%
B) 81.8%
C) 18.2%
D) 22.2%
Solve the problem.
11) The trim for a costume costs $38.25 for 4.5 yd. Find the unit price in dollars per yard.
A) $8.50 per yd
B) $42.75 per yd
C) $76.50 per yd
D) $33.75 per yd
1
8)
9)
10)
11)
12) Tasha, Tess, and Trudy need to spend a total of 60 hours over the next year to complete a project in
their department. How much time will Trudy spend if they have agreed to split the time in the ratio
7 to 4 to 9, respectively?
A) 27 hours
B) 21 hours
C) 9 hours
D) 15 hours
12)
13) Matt bought a 40 oz can of fuel additive for $57.60. Roger bought the 64 oz size for $65.28. Who
made the better buy? What was the lowest price per ounce?
A) Matt, $1.44
B) Roger, $1.02
C) Roger, $1.44
D) Matt, $1.02
13)
14) An 8-oz bottle of hair spray costs $3.66. Find the unit price in cents per ounce.
A) 45.75 cents per oz
B) 0.4575 cents per oz
C) 29.28 cents per oz
D) 36.6 cents per oz
14)
15) Complete the table so that the ratios
x
3
will all be equivalent to (some values may not be whole
y
8
15)
numbers). Express your answers as integers or decimals rounded to one decimal place.
x
3
?
?
15
1.5
?
y
?
24
28
?
?
36
A)
x
y
3
8
9
24
10.5
28
15
40
1.5
4
13.5
36
B)
x
y
3
24
27
24
10.5
28
15
120
1.5
4
28.5
36
C)
x
y
3
8
6
24
10.5
28
15
32
1.5
4
7.5
36
D)
x
y
3
18
18
24
21
28
15
80
1.5
8
27
36
16) A model airplane takes 2.7 hours to construct and 13.5 hours to finish. Determine the ratio of
construction time to finish time in simplest form.
A) 1 : 5
B) 1 : 4
C) 1 : 6
D) 5 : 1
17) A recipe for muffin mix calls for 8 cups of flour, 2
2
cups of oatmeal, and 4 tablespoons of baking
3
powder along with other ingredients. If you had only 3 cups of flour, what would be the
comparable amounts of oatmeal and baking powder.
1
A) 3 cups of oatmeal, 4 tablespoons baking powder
2
B) 1 cups of oatmeal, 1
C)
1
tablespoons baking powder
2
3
3
cups of oatmeal, tablespoons baking powder
5
4
D) 2 cups of oatmeal, 3 tablespoons baking powder
2
16)
17)
18) The distance from the downtown station to the last stop on a commuter railroad line is 20.3 miles.
The distance between stops is about 2.9 miles. How many stops are there?
A) 6 stops
B) 7 stops
C) 3 stops
D) 8 stops
18)
19) The ratio of the circumference, c, of a circle to its diameter, d, is about 3 : 1. (Approximately equal to
π). Use this information to complete the spreadsheet. Express your answers as integers or mixed
numbers.
19)
A
c
9
?
?
?
27
6
1
2
3
4
5
6
7
A)
B
d
?
12
18
7
?
?
A
B
1
c
d
2
9
6
3
72
12
4
24
18
5
15
7
6
27
9
7
6
1
1
2
3
4
5
6
7
A
c
9
18
27
21
27
6
B
d
3
12
18
7
9
1
C)
B)
A
c
9
36
54
21
27
6
B
d
3
12
18
7
9
2
A
B
1
c
d
2
9
3
3
24
12
4
36
18
5
42
7
6
27
18
7
6
4
1
2
3
4
5
6
7
D)
20) Find the best buy.
20)
Brand X 8 oz for $2.96
Brand Y 10 oz for $3.80
A) Equal value
C) Brand Y
B) Brand X
D) Not enough information
3
21) June has a strip of paper 56.7 inches long. She wants to cut it into strips that are 8.1 inches long.
How many 8.1-inch strips will she get?
A) 70 strips
B) 7 strips
C) 6 strips
D) 8 strips
21)
22) A 6-pack of 4-oz containers of yogurt costs $2.99. What is the unit price in cents per ounce? Round
to the nearest hundredth of a cent.
A) 49.83 cents per oz
B) 74.75 cents per oz
C) 18.69 cents per oz
D) 12.46 cents per oz
22)
23) The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 48 cm long plays
a B, what is the length of the string that plays a D?
A) 64 cm
B) 75 cm
C) 48 cm
D) 81 cm
23)
24) The fuel for a gas snowblower consists of 1.7 parts oil to 30.6 parts gas. Determine the ratio of oil to
gas in simplest form.
A) 1 : 19
B) 18 : 1
C) 17 : 1
D) 1 : 18
24)
25) Determine the ratio of miles driven to gallons used (miles per gallon) so that the ratios remain the
same. Copy the graph and complete the two partial bars.
25)
70
63
56
49
42
35
28
21
14
7
0
A) 140:1; for 30 gal 7000 mi could
be driven; for 40 gal 5950 mi could
be driven
B) 192.5:1; for 30 gal 4900 mi could
be driven; for 40 gal 6300 mi could
be driven
70
63
56
49
42
35
28
21
14
7
0
70
63
56
49
42
35
28
21
14
7
0
4
C) 157.5:1; for 30 gal 4550 mi could
be driven; for 40 gal 5950 mi could
be driven
D) 175:1; for 30 gal 5250 mi could
be driven; for 40 gal 7000 mi could
be driven
70
63
56
49
42
35
28
21
14
7
0
70
63
56
49
42
35
28
21
14
7
0
26) A grocer sold 16 bags of potatoes for $1.08 each. What was the total amount of the sale?
A) $17.38
B) $18.38
C) $17.28
D) $17.29
26)
27) A stockbroker sold 35 shares of stock for $28.74 each. What was the total amount of the sale?
A) $1006.01
B) $1005.8
C) $1005.90
D) $1006
27)
28) Which is the better buy: one yard of ribbon for $0.65 or three feet of ribbon at $0.45 per foot.
A) Equal value
B) One yard
C) Three feet
D) Not enough information
28)
29) Carl wants to make some furniture stripper. The stripper is a mixture of chemicals A and B in the
ratio of 10 to 2. How many ounces of chemical A are needed to make 24 ounces of stripper?
A) 20
B) 22
C) 4
D) 18
29)
30) Jake has a cable that is 22.4 feet long. He wants to cut it into pieces that are 3.2 feet long. How many
3.2-foot pieces will he get from the cable?
A) 70 pieces
B) 7 pieces
C) 8 pieces
D) 6 pieces
30)
31) Alex wants to make a scale drawing of his dorm room. The actual room is 19 feet wide and 12 feet
deep. Given space limitations for his drawing, he has at most 6.8 inches of width to make a scale
drawing of the room. What would be the dimensions (in inches) of his scale drawing?
A) If 6.8 inches represents 19 feet, the scale would be 1 inch represents approximately 1.6 feet.
This scale would have a drawing 6.8 inches by 2.8 inches.
B) If 6.8 inches represents 19 feet, the scale would be 1 inch represents approximately 2.8 feet.
This scale would have a drawing 6.8 inches by 4.3 inches.
C) If 6.8 inches represents 19 feet, the scale would be 1 inch represents approximately 0.6 feet.
This scale would have a drawing 6.8 inches by 0.6 inches.
D) If 6.8 inches represents 19 feet, the scale would be 1 inch represents approximately 0.4 feet.
This scale would have a drawing 6.8 inches by 33.5 inches.
31)
32) John earns $9.43 per hour. If he works 16 hours, how much will he earn?
A) $150.98
B) $150.89
C) $150.88
32)
5
D) $151.98
33) May planted 156 tulip bulbs in 6 hours and June planted 120 in 5 hours. Compare the ratios. Which
person planted the most per hour? How many per hour?
A) June, 24
B) June, 26
C) May, 26
D) May, 24
33)
34) The ratio of staff to patients at Lakeview is 8 to 7. If total staff plus patients is 1575 people, how
many staff are at Lakeview?
A) 735
B) 945
C) 630
D) 840
34)
35) The ratio of the distances a pitching wedge and an 8-iron will drive a golf ball is 4 to 5. If a golfer
averages 137 yards with a pitching wedge, how far should she average with an 8-iron?
A) 110 yd
B) 146 yd
C) 171.25 yd
D) 128 yd
35)
36) Tasha, Tess, and Trudy need to spend a total of 90 hours over the next year to complete a project in
their department. How much time will Trudy spend if they have agreed to split the time in the ratio
7 to 3 to 8, respectively?
A) 20 hours
B) 40 hours
C) 35 hours
D) 10 hours
36)
37) The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 32 cm long plays
a B, what is the length of the string that plays a D?
A) 48 cm
B) 59 cm
C) 54 cm
D) 32 cm
37)
38) Tuition at a certain college recently increased from $9000 to $10,000. Find the ratio of the increase in
price to the original price in simplest form.
A) 9 : 19
B) 1 : 10
C) 1 : 9
D) 9 : 10
38)
39) Carol and Donna agree to split a package of cashews according to how much time each of them
spent mowing yards. Carol spent 231 minutes and Donna spent 264 minutes. Express the ratio of
Carol’s time to Donna’s time in simplest form. How many of the 600 cashews will Carol get?
A) 8 : 7; 320
B) 9 : 6; 360
C) 6 : 9; 240
D) 7 : 8; 280
39)
40) Tuition at a certain college recently increased from $2000 to $7000. Find the ratio of the increase in
price to the original price in simplest form.
A) 5 : 2
B) 5 : 7
C) 2 : 7
D) 2 : 9
40)
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest
hundredth.
41) The restaurant bill is $61.57. Give the estimate of a 20% tip and the exact amount of a 20% tip.
41)
A) Estimate: $6.00
Exact: $6.16
B) Estimate: $12.00
Exact: $12.31
C) Estimate: $9.00
Exact: $9.24
D) Estimate: $15.00
Exact: $15.39
42) The restaurant bill is $13.54. Give the estimate of a 20% tip and the exact amount of a 20% tip.
A) Estimate: $1.50
Exact: $2.03
B) Estimate: $0.50
Exact: $0.68
C) Estimate: $2.00
Exact: $2.71
D) Estimate: $1.00
Exact: $1.35
42)
43) The restaurant bill is $45.70. Give the estimate of a 20% tip and the exact amount of a 20% tip.
A) Estimate: $2.50
Exact: $2.29
B) Estimate: $7.50
Exact: $6.86
C) Estimate: $10.00
Exact: $9.14
D) Estimate: $5.00
Exact: $4.57
43)
6
44) The restaurant bill is $26.75. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A) Estimate: $4.50
Exact: $4.01
B) Estimate: $3.00
Exact: $2.68
C) Estimate: $6.00
Exact: $5.35
D) Estimate: $7.50
Exact: $6.69
44)
45) The restaurant bill is $43.72. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A) Estimate: $2.00
Exact: $2.19
B) Estimate: $4.00
Exact: $4.37
C) Estimate: $8.00
Exact: $8.74
D) Estimate: $6.00
Exact: $6.56
45)
46) The restaurant bill is $14.81. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A) Estimate: $2.00
Exact: $2.96
B) Estimate: $1.50
Exact: $2.22
C) Estimate: $0.50
Exact: $0.74
D) Estimate: $1.00
Exact: $1.48
46)
Write the percent as a fraction in the lowest terms.
47) 488%
22
12
A) 4
B) 4
25
22
47)
C) 4
22
50
D) 4
22
35
48) 7.5%
48)
3
A)
4
49) 87.4%
874
A)
100
3
B)
40
3
C)
20
3
D)
80
437
B)
500
437
C)
50
437
D)
5
B) 0.0004296
C) 0.00004296
D) -429,600
B) 0.00191
C) -191,000
D) 0.0000191
B) 75,300
C) 225.9
D) 753
49)
Convert to standard notation.
50) 4.296 × 10-5
A) 0.000004296
51) 1.91 × 10-4
A) 0.000191
50)
51)
52) 7.53 × 103
A) 7530
52)
Use a proportion to solve the problem.
1
53) Under typical conditions, 1 ft of snow will melt to 2 in. of water. To how many inches of water
2
will 3
53)
1
ft of snow melt? Express your answer as an integer or mixed number.
4
A) 4
5
inches
12
B) 6
1
inches
2
C) 4
7
inches
8
54) If 4 sandwich rolls cost $1.08, how much will 18 rolls cost?
A) $6.32
B) $4.32
C) $5.86
7
D) 4
1
inches
3
54)
D) $4.86
55) The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages
153 yards with a 7-iron, how far should he average with a 5-iron? Express your answer as an
integer or mixed number.
3
1
A) 142 yards
B) 164 yards
C) 183 yards
D) 127 yards
5
2
Write the numbers in order of increasing size.
5
4
56) 2.25, 2 , 2.52, 2
8
9
56)
4 5
A) 2.25, 2.52, 2 , 2
9 8
4
5
B) 2.25, 2 , 2.52, 2
9
8
4 5
C) 2 , 2 , 2.25, 2.52
9 8
5
4
D) 2 , 2.52, 2 , 2.25
8
9
57) 0.81, 0.81, 0.8,
A)
8
, 0.81
10
57)
8
, 0.8, 0.81, 0.81, 0.81
10
C) 0.81, 0.81, 0.81, 0.8,
55)
B)
8
10
8
, 0.81, 0.81, 0.81, 0.8
10
D) 0.8,
8
, 0.81, 0.81, 0.81
10
58) 0.5866, 0.586, 0.58666, 0.586
58)
A) 0.586, 0.586, 0.5866, 0.58666
B) 0.586, 0.5866, 0.58666, 0.586
C) 0.586, 0.58666, 0.5866, 0.586
D) 0.586, 0.586, 0.5866, 0.58666
Perform the indicated operation by hand.
59) 124.4 × 0.51
A) 63.555
B) 63.554
59)
C) 63.444
D) 63.544
60) 15.350 - 6.496
A) 8.854
B) -8.854
C) 21.846
D) 8.954
60)
61) 1381.28 ÷ 35.6
A) 39.8
B) 38.8
C) 388
D) 3.88
61)
62) 0.5 ÷ 0.02
A) 25
62)
B) 14
C) 2.5
D) 26
63) 11.5 + 12.89
A) 24.49
B) 1.39
C) -1.39
D) 24.39
64) 0.054 × 0.007
A) 0.000378
B) 0.00378
C) 0.0378
D) 0.0000378
63)
64)
8
Write the fraction as a percent.
37
65)
40
A) 92.5%
66)
B) 9.25%
C) 74.00%
D) 37.00%
31
50
A) 62%
67)
65)
66)
B) 124%
C) 620%
D) 6.2%
13
50
A) 2.60%
67)
B) 15.00%
C) 26.0%
D) 13.00%
C) 6.5 × 107
D) 6.5 × 10-6
B) 6.25 × 10-2
C) 6.25 × 102
D) 6.25 × 103
B) 9.70019 × 106
C) 9.70019 × 10-6
D) 9.70019 × 10-7
Write the number in scientific notation.
68) 6,500,000
A) 6.5 × 106
B) 6.5 × 10-7
68)
69) 625
A) 6.25 × 101
69)
70) 0.000000970019
A) 9.70019 × 107
70)
Express the ratio in simplest form.
71) The ratio of wins to games played if a baseball team wins 35 games and loses 55 games
A) 7 : 11
B) 11 : 7
C) 11 : 18
D) 7 : 18
72) 14 minutes to 5 hours
A) 168
B) 14 : 60
C) 7 : 150
D) 14 : 5
73) 48 feet to 20 feet
A) 5 : 12
B) 12 : 5
C) 6 : 13
D) 13 : 6
74) 20 cents to $6
A) 10 : 3
B) 6 : 200
C) 1 : 3
D) 1 : 30
75) 5
72)
73)
74)
1
1
days to 2 weeks
2
2
A) 11 : 5
75)
B) 11 : 35
C) 77 : 5
D) 5 : 2
76) The ratio of all members to women members in a club whose members are 14 men and 26 women
A) 20 : 7
B) 20 : 13
C) 13 : 7
D) 7 : 13
Write the percent as a decimal.
77) 56%
A) 5.6
71)
76)
77)
B) 0.56
C) 0.056
9
D) 0.45
78) 35.5%
A) 0.355
B) 3.55
C) 0.0355
D) 0.245
78)
79) 505%
A) 50.5
B) 5.06
C) 0.505
D) 5.05
79)
Find the percent of the figure that is shaded.
80)
A) 1.07%
80)
B) 10.7%
C) 17%
D) 107%
81)
81)
A) 6.4%
B) 60%
C) 0.64%
10
D) 64%
82)
82)
A) 51%
B) 25.1%
C) 251%
D) 2.51%
The two triangles below are similar. Find the missing lengths.
83)
83)
5
A) x = 6.25; y = 8.75
C) x = 36; y = 50.4
B) x = 10; y = 16
D) x = 7.5; y = 10
84)
84)
18
27
14
21
28
A) x = 45
B) x = 28
C) x = 36
11
D) x = 34
85)
85)
8.1
5.4
A) x = 1.24; y = 3.6
B) x = 6.3; y = 3.6
C) x = 7.2; y = 3.9
D) x = 6.3; y = 3.9
Solve the proportion.
2 x-4
86) =
5
4
A)
87)
28
5
B)
12
5
C)
4
5
D) -
12
5
x
2
=
33 11
A) 8
88)
86)
87)
B) 181.5
C) 6
D) 0.7
5
9
=
x x+8
A)
4
3
88)
B) 2
C)
4
7
D) 10
Solve the problem. If the answer is an amount of money, round to the nearest dollar.
89) Maria has saved $420 at a bank. She wants to accumulate $1250 to attend computer camp. What
percent of her goal has been reached?
A) 33.6%
B) 3%
C) 0.336%
D) 30%
89)
90) At a university, 60% of the students who apply are accepted. Of those who are accepted, 70%
actually enroll. If 30,000 students apply, how many actually enroll?
A) 29,870 students
B) 28,700 students
C) 17,400 students
D) 12,600 students
90)
91) The parking lot at a grocery store has 50 cars in it. 46% of the cars are blue. How many cars are
blue?
A) 109 cars
B) 11 cars
C) 23 cars
D) 230 cars
91)
92) Which is the best investment for three consecutive years?
a. A growth of 5% followed by a growth of 10% followed by a growth of 15%
b. A growth of 15% followed by a growth of 10% followed by a growth of 5%
c. Three years of growth at 10% per year.
A) a
B) b
C) c
D) They are all the same
92)
93) A chemical solution contains 3% salt. How much salt is in 4.5 ml of solution?
A) 1.35 ml
B) 150 ml
C) 15 ml
12
93)
D) 0.135 ml
Find the mixed number or rational fraction in lowest terms represented by the repeating decimal.
94) 0.814814 . . .
22
220
74
740
A)
B)
C)
D)
27
27
9
9
95) 0.6969696 . . .
230
A)
33
95)
46
B)
33
23
C)
33
23
D)
11
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
3 10 8
96) ,
,
4 13 11
A)
97) -
3 8 10
,
,
4 11 13
B)
10 8 3
,
,
13 11 4
C)
7
2
,15
3
96)
8 3 10
, ,
11 4 13
2
7
,3
15
A) -
94)
97)
B) -
2
7
,3
15
C) Equivalent
Use a proportion to solve the problem. Round answers to the nearest tenth if necessary.
98) A label printer prints 5 pages of labels in 1.7 seconds. How long will it take to print 160 pages of
labels?
A) 57.4 sec
B) 58.4 sec
C) 56.4 sec
D) 54.4 sec
99) In a sample of 70 widgets, 8 were defective. How many defective widgets would you expect in a
sample of 350 widgets?
A) 40 widgets
B) 38 widgets
C) 43 widgets
D) 86 widgets
100) On a map of the Thunderbird Country Club golf course, 2.5 inches equals 45 yards. How long is the
8th hole if the map shows 10.5 inches?
A) 472.5 yd
B) 1181.25 yd
C) 10.7 yd
D) 189 yd
13
98)
99)
100)
Answer Key
Testname: 3161-UNIT-2-PRETEST
1) C
24) D
Objective: (7.1) Re-express Ratios
Objective: (7.1) Solve Apps: Ratios
25) D
2) C
Objective: (7.1) Solve Apps: Ratios II
Objective: (7.1) Re-express Ratios
26) C
3) D
Objective: (6.4) Solve Apps: Multiplying Decimals
Objective: (7.1) Re-express Ratios
27) C
4) A
Objective: (6.4) Solve Apps: Multiplying Decimals
Objective: (7.1) Re-express Ratios
28) B
5) D
Objective: (7.1) Solve Apps: Determine Best Buy
Objective: (7.3) Convert Decimal to Percent
29) A
6) C
Objective: (7.1) Solve Apps: Ratios
Objective: (7.3) Convert Decimal to Percent
30) B
7) B
Objective: (6.4) Solve Apps: Dividing Decimals
Objective: (7.3) Convert Decimal to Percent
31) B
8) A
Objective: (7.1) Solve Apps: Ratios II
Objective: (7.3) Solve Apps: Percent Increase or Decrease
32) C
9) C
Objective: (6.4) Solve Apps: Multiplying Decimals
Objective: (7.3) Solve Apps: Percent Increase or Decrease
33) C
10) C
Objective: (7.1) Solve Apps: Ratios
Objective: (7.3) Solve Apps: Percent Increase or Decrease
34) D
11) A
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Unit Price
35) C
12) A
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Ratios
36) B
13) B
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Determine Best Buy
37) C
14) A
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Unit Price
38) C
15) A
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Complete Table of Equivalent Ratios
39) D
16) A
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Ratios
40) A
17) B
Objective: (7.1) Solve Apps: Ratios
Objective: (7.1) Solve Apps: Ratios II
41) B
18) B
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (6.4) Solve Apps: Dividing Decimals
42) C
19) B
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (7.1) Complete Table of Equivalent Ratios
43) C
20) B
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (7.1) Solve Apps: Determine Best Buy
44) A
21) B
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (6.4) Solve Apps: Dividing Decimals
45) D
22) D
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (7.1) Solve Apps: Unit Price
46) B
23) D
Objective: (7.3) Estimate and Calculate Restaurant Tips
Objective: (7.1) Solve Apps: Ratios
1
Answer Key
Testname: 3161-UNIT-2-PRETEST
47) A
69) C
Objective: (7.3) Convert Percent to Fraction
Objective: (6.5) Convert Standard Notation to Scientific
Notation
48) B
70) D
Objective: (7.3) Convert Percent to Fraction
Objective: (6.5) Convert Standard Notation to Scientific
Notation
49) B
Objective: (7.3) Convert Percent to Fraction
71) D
50) C
Objective: (7.1) Express Ratio in Simplest Form
Objective: (6.5) Convert Scientific Notation to Standard
Notation
72) C
Objective: (7.1) Convert Units and Express Ratio in
Simplest Form
51) A
Objective: (6.5) Convert Scientific Notation to Standard
Notation
73) B
Objective: (7.1) Express Ratio in Simplest Form
52) A
74) D
Objective: (6.5) Convert Scientific Notation to Standard
Notation
Objective: (7.1) Convert Units and Express Ratio in
Simplest Form
53) D
75) B
Objective: (7.2) Solve Apps: Proportions II
Objective: (7.1) Convert Units and Express Ratio in
Simplest Form
54) D
Objective: (7.2) Solve Apps: Proportions II
76) B
55) C
Objective: (7.1) Express Ratio in Simplest Form
Objective: (7.2) Solve Apps: Proportions II
77) B
56) B
Objective: (7.3) Convert Percent to Decimal
Objective: (6.5) Order Decimals and Fractions
78) A
57) B
Objective: (7.3) Convert Percent to Decimal
Objective: (6.5) Order Decimals and Fractions
79) D
58) B
Objective: (7.3) Convert Percent to Decimal
Objective: (6.5) Order Decimals and Fractions
80) D
59) C
Objective: (7.3) Write Percent Represented by Shaded
Area of Figure
Objective: (6.4) Multiply Decimals
60) A
81) D
Objective: (6.4) Add or Subtract Decimals
Objective: (7.3) Write Percent Represented by Shaded
Area of Figure
61) B
Objective: (6.4) Divide Decimals
82) C
62) A
Objective: (7.3) Write Percent Represented by Shaded
Area of Figure
Objective: (6.4) Divide Decimals
63) D
83) A
Objective: (6.4) Add or Subtract Decimals
Objective: (7.2) Find Unknown Length(s) in Pair of
Similar Triangles
64) A
Objective: (6.4) Multiply Decimals
84) C
Objective: (7.2) Find Unknown Length(s) in Pair of
Similar Triangles
65) A
Objective: (7.3) Convert Fraction to Percent
85) B
66) A
Objective: (7.2) Find Unknown Length(s) in Pair of
Similar Triangles
Objective: (7.3) Convert Fraction to Percent
67) C
86) A
Objective: (7.3) Convert Fraction to Percent
Objective: (7.2) Solve Proportion
68) A
87) C
Objective: (6.5) Convert Standard Notation to Scientific
Notation
Objective: (7.2) Solve Proportion
2
Answer Key
Testname: 3161-UNIT-2-PRETEST
88) D
Objective: (7.2) Solve Proportion
89) A
Objective: (7.3) Solve Apps: Miscellaneous Percent Apps
90) D
Objective: (7.3) Solve Apps: Miscellaneous Percent Apps
91) C
Objective: (7.3) Solve Apps: Miscellaneous Percent Apps
92) C
Objective: (7.3) Solve Apps: Miscellaneous Percent Apps
93) D
Objective: (7.3) Solve Apps: Miscellaneous Percent Apps
94) A
Objective: (6.5) Convert Repeating Decimal to Fraction
95) C
Objective: (6.5) Convert Repeating Decimal to Fraction
96) C
Objective: (6.5) Order Rational Numbers
97) B
Objective: (6.5) Order Rational Numbers
98) D
Objective: (7.2) Solve Apps: Proportions I
99) A
Objective: (7.2) Solve Apps: Proportions I
100) D
Objective: (7.2) Solve Apps: Proportions I
3