1.
Use cross products to determine which ratio forms a proportion with
A.
B.
C.
D.
Hint
2.
Find the value of
c
for the proportion
A.
30.6
B.
13.6
C.
97.9
D.
1.7
Hint
3.
Find 43.8% of 75.
A.
328.5
B.
32.85
C.
3285
D.
3.285
Hint
4.
The manager of a music store examined his CD sales by category for the past few months. The results are shown in the table. If he plans to order 250 new CDs, how many of them should be dance?
A.
23
B.
11
C.
28
D.
40
Hint
5.
Find the percent of change from 58°F to 84°F.
A.
30.95%
B.
26.0%
C.
44.83%
D.
16.92%
Hint
6.
A new manufacturing process requires 45 minutes to produce a piece of furniture. If the old process took 1 hour and 20 minutes, what is the percent of change in production time?
A.
77.8% increase
B.
77.8% decrease
C.
43.75% decrease
D.
43.75% increase
Hint
7.
Express the ratio 45 seconds to 30 minutes as a fraction in simplest form.
A.
B.
C.
D.
40
Hint
8.
Express the ratio 16 days to 4 weeks as a fraction in simplest form.
A.
4
B.
C.
D.
Hint
9.
A landscape blueprint shows a circular pond with a radius of 2 inches. If the scale of the blueprint is
inch = 1 foot, what is the radius of the actual pond?
A.
1 foot
B.
3 feet
C.
2 feet
D.
4 feet
Hint
10.
Preston is designing a room that will be
feet long and
feet wide. He wants to create a scale drawing of the room using a scale of
inch =
feet. What should be the dimensions of the room on Preston's scale drawing?
A.
inches by
inches
B.
inches by 3 inches
C.
inches by
inches
D.
inches by
inches
Hint
11.
Express 0.25% as a fraction in simplest form.
A.
B.
C.
D.
Hint
12.
Express
as a percent. Round to the nearest tenth percent, if necessary.
A.
3555.60%
B.
355.60%
C.
35.60%
D.
3.60%
Hint
13.
Estimate 60% of 92.
A.
54
B.
60
C.
42
D.
48
Hint
14.
Find
of 99 mentally.
A.
33
B.
297
C.
11
D.
9
Hint
15.
If Dah-Chou invests $2500.00 at an annual interest rate of 7.25%, how long will it take for him to earn $1450 in interest?
A.
4 years
B.
10 years
C.
8 years
D.
6 years
Hint
16.
Find 16% of 230.
A.
3680
B.
36.8
C.
3.68
D.
368
Hint
17.
Suppose a number cube is rolled. What is the probability of rolling a number greater than 4?
A.
B.
C.
D.
Hint
18.
The results of randomly drawing a card from a standard deck of 52-playing cards are as follows: 12 hearts, 21 clubs, 14 spades, and 11 diamonds. What is the experimental probability of drawing a heart?
A.
B.
C.
D.
Hint