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/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY..
/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY...
NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3B
SCORE _________
1. Which size jar of jelly shown in the table
has the lowest unit price?
Size (oz)
10
16
32
Cost ($)
1.69
3.19
5.79
10 oz
1.
the rate at
which money
2. was saved
2. The graph shows the savings of Rachel and Sam. What does the
slope of each line represent?
Monthly Savings
40
Dollars($)
Sam
30
20
Rachel
10
0
1
2
3
4
Month
3
3. Volunteers were −
finished with the walkathon when they
4
1
-kilometer mark. How long was the
reached the 4 −
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
2
4. A grocery store sells 6 bottles of water for $4.80 and
18 bottles of water for $22.50. Is the cost of the water
proportional to the number sold? Explain.
6 km
3.
walkathon?
No;
6 bottles
−−−−
$4.80
and
18 bottles
−−−−−
$22.50
=
1.25 bottles
−−−−−
$1
=
0.8 bottles
−−−−−
$1
;
these rates are not equivalent.
4.
Solve each proportion.
5.
2.25
4.3
w
6. −−
= −−
6.
6.88
5
2
7. −
= −−
7.
18.75
8. When diving, a bald eagle can reach a speed of 200 miles per hour.
What is this speed in feet per second? Round to the nearest
hundredth if necessary.
8. 299.33 ft/s
x
3
5. −
=−
6
2.5
v
8
4
7.5
23
Course 2 • Chapter 1 Ratios and Proportional Reasoning
P rinter P DF
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/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY...
NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3B
SCORE _________
(continued)
9.
9. Find the rate of change from the table.
Time (hr)
2
4
6
Temperature (8)
30
34
38
2 degrees
per hour.
Yes, the graph
shows a
straight line
that passes
through The
origin.
10.
10. Does the graph show a proportional relationship? Explain.
Meat Consumption
Meat (lb)
12
10
8
6
4
2
0
1 2 3 4 5 6
Number of People
11.
4 days
12. Brian can get an 8-pack of bottled sports drink for $5.28. How much
would Brian have to pay for a 6-pack of bottled sports drink if the
ratios are proportional?
12.
$3.96
13. Find y when x = 9 if y varies directly as the square of x, and y = 100
when x = 5.
13.
324
14. Shawn and Crystal work at the hardware store. The wages earned for
the weekend are shown in the table and graph. Who gets paid more
per hour? Explain.
Crystal’s Wages
60
Wages($)
Shawn’s Wages
Time (h) Wages ($)
2
20
3
30
4
40
45
30
Crystal; since
the slope of
the line is 12
and the table
shows a rate
of $10 per
hour, Crystal
14. makes more.
15
0
2
4
6
8
Time(h)
24
Course 2 • Chapter 1 Ratios and Proportional Reasoning
P rinter P DF
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
11. If it takes the Jones family 2 days to travel 1,240 miles, how many
days will it take them to travel 2,480 miles?