1.
Jennifer's hand measures 8 inches long. She is 5 feet 8 inches tall. Express the ratio of the length of Jennifer's hand to her height in simplest form.
A.
B.
C.
D.
Hint
2.
Which of the following is a unit rate?
A.
17 heartbeats in 15 seconds
B.
60 Calories per serving
C.
2 hamburgers for $2.00
D.
300 miles in 5 hours
Hint
3.
Express $112 for 14 hours as a unit rate.
A.
$8/hr
B.
$11/hr
C.
$9/hr
D.
$112/week
Hint
4.
Solve
.
A.
25
B.
20
C.
35
D.
30
Hint
5.
Find the length of a closet on a scale drawing if the closet is 12 meters wide and the scale is 1 centimeter = 4.5 meters. Round to the nearest tenth.
A.
2.7 cm
B.
3.6 cm
C.
2.5 cm
D.
3.4 cm
Hint
6.
Express
as a percent. Round to the nearest tenth.
A.
15.2%
B.
12.5%
C.
33.3%
D.
17.1%
Hint
7.
Which of the following is
not
reasonable?
A.
The number of household microwaves today are 0.95% of the microwaves in 1980.
B.
Last year's sales were 108% of this year's sales.
C.
The cost of gasoline is 120% of last year's cost.
D.
The weight of a mouse is 0.60% the weight of a lion.
Hint
8.
15% of 240 is what number?
A.
36
B.
60
C.
45
D.
72
Hint
9.
In the expression
18 is 20% of 90
, 18 is the ____.
A.
percentage
B.
base
C.
rate
D.
percent proportion
Hint
10.
Is
a proportion? Explain.
A.
No, because 2 × 9
8 × 3.
B.
Yes, because 2 × 3 = 8 × 9.
C.
Yes, because 2 × 9 = 8 × 3.
D.
No, because 2 + 3 = 8 + 9.
Hint
11.
Express the ratio 0.4 as a fraction in simplest form.
A.
B.
C.
D.
Hint
12.
Express
as a percent.
A.
15%
B.
3%
C.
5%
D.
60%
Hint
13.
Find 30% of 300.
A.
90
B.
100
C.
10
D.
900
Hint
14.
In the survey for which the results are shown below, if 57 people responded that they preferred orange candy, how many people participated in the survey?
A.
190
B.
300
C.
108
D.
33
Hint
15.
Find the scale factor of a construction plan if the scale is 0.75 centimeters = 3 meters.
A.
B.
C.
D.
Hint
16.
Find 7.25 written as a percent.
A.
7,250%
B.
725%
C.
72.5%
D.
7.25%
Hint