Chapter 7 Test

phm07c1_te_07ct.fm Page 356 Tuesday, June 13, 2006 2:43 PM
Chapter 7 Test
Chapter 7 Test
Resources
For: Online chapter test
Web Code: aqa-0752
You have 3 nickels, 11 dimes, and
5 quarters in your pocket. Write each ratio
in three ways. 1–4. See margin.
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1. nickels to quarters
2. dimes to nickels
3. dimes to all coins
4. quarters to dimes
Use a map scale of 1 inch 30 miles to find
each actual distance.
19. 3 inches
90 mi
the shaded region to the unshaded
region in simplest form. 2 3
1.5 feet long. The tiger’s actual length is
9 feet. What is the scale of the model?
3
6. 3 to 2
7.
18
6–8. See margin.
8. 6 8
9. A car can travel 28 miles per gallon of
gas. How far can the car travel on
8 gallons of gas? 224 mi
10. A 6-ounce bottle of juice costs $.96. An
L3
8-ounce bottle costs $1.12. Which is the
better buy? 8-ounce juice bottle
Does each pair of ratios form a proportion?
5 15
,
3 9
11.
12.
yes
3 4
,
4 5
13.
no
8 12
,
12 8
no
Solve each proportion.
Below Level Chapter Test
L2
L3
Chapter Test
Chapter Test
Form A
Chapter 7
Write each ratio in simplest form.
6
1. 45
2
15
2. 60
45
4
3
3. 21 ; 49
3;7
Find the unknown quantity.
4
x
⫽ 25
5
14.
15.
20
6
9
⫽m
4
16.
6
a
3
⫽ 10
25
7.5
17. A grocery store sells 6 pounds of apples
for $4. How much will 8 pounds of
apples cost? Round your answer to the
nearest cent. $5.33
4. There are 17 players per team. Find the number of players on 8 teams.
18. Writing in Math
136 players
5. There are 12 buttons per phone. Find the number of phones if there are
156 buttons.
13 phones
6. Eleven shirts cost $137.50. Find the cost per shirt.
$12.50 per shirt
Determine whether each pair of ratios forms a proportion.
7. 86, 34
yes
12, 3
8. 15
5
no
9. 58, 104
65
12
36
7 ⫽ ?
21
3
6
11. ? ⫽ 10
1
25
12. 75 ⫽ ?
14. 87 5 105
m
d
15. 67 5 91
5
x ⴝ 35
m ⴝ 120
16. Write the scale as a ratio for an 8-foot-tall model for a
264-foot-tall building.
1 foot ; 33 feet
17. The Washington Monument is about 555 feet tall. Suppose you
wanted to sell models of the monument. What scale would you
use? Explain your choice.
Sample answer: Use 1 inch: 551
2 feet,
The model would stand 10 inches tall.
356
29.
3
20%
15
356
d ⴝ 78
3
5
2. 11 to 3, 11 3,
3. 11 to 19, 11 19,
4. 5 to 11, 5 11,
11
19
5
11
49
50
30.
5
83%
6
28.
1 10%
10
31. 0 . 9 100%
34. 2% of 50
1
like their jobs. How many people like
their jobs? 43 people
36. Use the circle graph.
a. How do most
students get to
school? bus
b. What method do
students use
least? bicycle
How Students
Get to School
Bicycle
Walk
Car
Pool
Bus
Estimate a 15% tip for each bill amount.
37. $32.04
$4.80
38. $48.76
$7.35
39. $12.83
$1.95
40. Suppose you buy a DVD for $12.98. The
sales tax is 7%. Estimate the total cost.
$13.91
6. 6 to 4, 9 to 6, 12 to 8
7.
27. 0.02 2%
35. Suppose 86% of 50 people at a law firm
6–8. Answers may vary.
Samples are given.
11
3
25. 98%
0.98,
32. 5% of 200 33. 80% of 8
10
6.4
Chapter 7 Chapter Test
1. 3 to 5, 3 5,
24. 6%
3
0.06, 50
Find each percent.
3
Solve each proportion.
17
13. 85
x 5 7
The ratio of girls to boys
in a science class is 5 to 6. Can there be
15 boys in the class? Explain why or
why not. No; 15 is not a multiple of 6.
26. 0.48 48%
yes
Use mental math to find the missing term in each proportion.
10.
Write each percent as a decimal and as
a fraction.
Write each decimal or fraction as a percent.
If necessary, round to the nearest percent.
Write three ratios equivalent to
each ratio.
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L1
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1 ft 6 ft
23. 25%
0.25, 41
Spanish Assessment Resources
• Below Level Chapter 7 Test L2
• Chapter 7 Test
L3
• Chapter 7 Alternative
Assessment
L4
21. 0.5 inches
15 mi
22. A scale model of a tiger measures
5. Use the figure below. Find the ratio of
Teaching Resources
• Below Level Chapter 7 Test L2
• Chapter 7 Test
L3
• Chapter 7 Alternative
Assessment
L4
20. 6 inches
180 mi
1 2
, , 4
6 12 24
8. 3 4, 9 12, 30 40