Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
Express each ratio as a unit rate. Round to the nearest tenth, if
necessary.
|
|
|
1.
|
100
miles in 2.5 hours a. | 40 miles per hour | c. |  miles per
hour | b. | 250 miles per
hour | d. |  miles per hour | | | | |
|
|
|
2.
|
400
feet in 52.4 seconds a. | 76 feet per second | c. | 7.7 feet per second | b. | 0.76 foot per
second | d. | 7.6 feet per
second | | | | |
|
|
|
3.
|
325.4
miles on 17.3 gallons a. | 18.8 miles per gallon | c. | 18.809 miles per gallon | b. | 188 miles per
gallon | d. | 18.81 miles per
gallon | | | | |
|
|
|
Solve each proportion.
|
|
|
4.
|
|
|
|
Write a proportion that could be used to solve for each variable. Then
solve.
|
|
|
5.
|
12
balls in 2 boxes
78 balls in x boxes
|
|
|
6.
|
18
ounces in 6 bottles
x ounces in 24 bottles
|
|
|
7.
|
2.7
centimeters in 3 seconds
x centimeters in 4 seconds
|
|
|
8.
|
What
is the scale of the Empire State Building model? a. | 1 inch = 50 feet | c. | 1 inch = 48 feet | b. | 1 inch = 62.5
feet | d. | 1 inch = 47
feet | | | | |
|
|
|
9.
|
A
border collie is on sale at a 20% discount. If it normally sells for $475, what is the sale
price? a. | $570.00 | c. | $95.00 | b. | $455.00 | d. | $380.00 | | | | |
|
|
|
10.
|
A
board game that normally sells for $34.95 is on sale at an 18% discount. What is the sale price of
the board game? a. | $28.66 | c. | $41.24 | b. | $16.95 | d. | $6.29 | | | | |
|
|
|
Find the percent of increase. Round to the nearest tenth, if
necessary.
|
|
|
11.
|
from
$116 to $206 a. | 128.9%
increase | c. | 56.3%
increase | b. | 43.7% increase | d. | 77.6% increase | | | | |
|
|
|
Find the percent of decrease. Round to the nearest tenth, if
necessary.
|
|
|
12.
|
from
$207 to $127 a. | 63%
decrease | c. | 258.8%
decrease | b. | 38.6% decrease | d. | 163% decrease | | | | |
|
|
|
Express each ratio as a fraction in simplest form.
|
|
|
13.
|
34
laptops out of 116 computers
|
|
|
Express the fraction as a percent. Round to the nearest tenth percent, if
necessary.
|
|
|
14.
|
a. | 0.8% | c. | 1.3% | b. | 75% | d. | 133.3% | | | | |
|
|
|
Express each decimal as a percent.
|
|
|
15.
|
1.88 a. | 18.8% | c. | 1.88% | b. | 188 | d. | 188% | | | | |
|