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001_012_CC_A_AMC2_C01_662328.indd Page 6 27/05/11 11:04 AM s-60user /Volumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COUR
NAME _____________________________________________ DATE __________________ PERIOD _________
Chapter Quiz
Find each unit rate. Round to the nearest
hundredth if necessary.
1. 325 meters in 28 seconds
1.
2. 128 pounds of dog food for 16 dogs
2.
3. The costs of different sizes of bottled sport
drink are shown. Which bottle costs the least
per ounce?
3.
8 oz
$0.89
Size
Price
16 oz
$1.09
24 oz
$1.89
8 pounds per dog
16 oz
32 oz
$2.39
Simplify.
3
−
3
−
4.
8
6
5. −−
5.
9
4
6. −−
6.
20
7. DRIVE Rupert drove home at an average rate of
58 miles per hour. Find his rate in feet per
second. Round to the nearest tenth.
7.
85.1 ft/s
2
2
−−
3
1
−
5
Determine if the situations represent
proportional relationships. Then explain your
reasoning.
8. JOBS The table shows the amount Maggie
earns each hour she babysits.
Earnings ($)
Time (h)
12
2
18
3
8.
24
4
9. SHAMPOO The table shows the cost of
shampoo at a discount store.
Cost ($)
Number of Bottles
2.95
1
4.50
2
9.
yes; Sample answer:
The earnings to time
ratios are all equal.
no; Sample answer:
the cost to the
number of bottles
ratios are not equal.
6.05
3
10. Myra can fill 18 glasses with 2 containers of
iced tea. How many glasses can she fill with 3
containers of tea?
10.
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
4. −−
4
6
11.61 m/s
27 glasses
Course 2 • Chapter 1 Ratios and Proportional Reasoning
P DF P ass