Name_______________________________________ Date__________________ Class Period ______
Test 2C- PreAPReview ANSWERS
**Test will be Tuesday, December 11**
1. Which of the following problems shows -2 + (-1) = -3?(7.2C) ***answer is d ***
a.
-4
-3
-2
-1
0
1
2
3
4
b.
-4
-3
-2
-1
0
1
2
3
4
c.
-4
-3
-2
-1
0
1
2
3
4
-4
-3
-2
-1
0
1
2
3
4
d.
2. Which of these ratios is proportional to 5:6.(6.3A)
a. 10:18
c. 35:42
b. 36:30
d. 36:54
3. The table shows the color of each car that is produced by a car manufacturer in a day.
What is the ratio of the number of green cars produced to the number of red or black cars produced? (6.3A)
Red
Number of
Cars
50
Green
25
Black
25
Silver
40
Beige
15
Color
a. 1 : 3
b. 1 : 2
c. 2 : 1
d. 3 : 1
4. Michael sold 6 candy bars for every 7 candy bars hissister Savanna sold. Which table represents the
relationship? (6.4A) ***answer is c***
a.
b.
c.
d.
Michael
6
12
18
Savanna
7
14
16
Michael
7
14
21
Savanna
6
12
18
Michael
6
12
18
Savanna
7
14
21
Michael
6
7
8
Savanna
7
8
9
5. A carnival sells 135 ride tickets every 30 minutes. If they continue selling tickets at the same rate, what
proportion can be used to determine x, the number of tickets they sell in 150 minutes? (6.4A)
Write a proportion that could be used to solve this problem.
=
6. Beazus walks 1.75 miles each day for an entire month. Which of the following equations best represents the
distance, m, that Beazus walks for any amount of days, d? Use the table below to help you.(6.4A)
Number of Days,
d
1
3
10
Total Distance, m
1.75
5.25
17.5
Write the formula that best represents how to find the distance. m= 1.75d
7. Solve each problem below:
a. 1
+
b.
-
c. 5
+3
d. 6 -4
=2
=
=9
=1
8. Convert each of the following:
a.
as a decimal: 0.875 as a percent: 87.5%
b. 2 as a decimal: 2.666… as a percent: 266.66…%
c. 1.28 as a fraction: 1
d. 0.08 as a fraction:
e. 12.5% as a fraction:
f.
6% as a fraction:
as a percent: 128%
as a percent: 8%
as a decimal: 0.125
as a decimal: 0.06
9. Brittany had $584.00 in her bank account on Monday. By the end of the week, her bank account was
at -$21.00. How much money did she spend during the week?
$605.00
10. Order the following fractions from greatest to least: , , ,
, , ,
11. Nina decorated her Christmas tree with red, green & blue lights. The red lights blink every 4 seconds,
the blue lights blink every 9 seconds, and the green lights blink every 12 seconds. How much time
will go by until all three strands of lights blink at the same time?
a. What type of problem is this: LCM
b. Answer: 36 seconds (The LCM of 4, 9, and 24 is 36)
12. Miss Johnson went shopping for Christmas ornaments. She bought 24 red ornaments, 18 blue, and
14 green. What is the ratio of ornaments that are NOT red to the total amount of ornaments? Be sure
to write your ratio in simplest form, all three ways!
Not red : Total
32 : 56
Simplify: 4:7, 4 to 7,