1.
Express $112 for 14 hours as a unit rate.
A.
$8/hr
B.
$9/hr
C.
$11/hr
D.
$112/week
Hint
2.
Eric uses 7 gallons of gas to drive 196 miles. How many miles can he drive using 1 gallon of gas?
A.
28
B.
30
C.
14
D.
22
Hint
3.
What number is 34% of 65?
A.
19.1
B.
22.1
C.
52.3
D.
41.2
Hint
4.
Hakan is standing next to a building whose shadow is 15 feet long. If Hakan is 6 feet tall and is casting a shadow 2.5 feet long, how high is the building?
A.
40 ft
B.
24 ft
C.
36 ft
D.
30 ft
Hint
5.
About how much would you pay for a coat that normally sells for $149.99 if you pay
of its original price?
A.
25
B.
75
C.
100
D.
50
Hint
6.
Suppose William enlarges a 5 in. by 7 in. photograph of him and his best friend by 200% and then decreases the copy by 60%. What are the dimensions of the final size of the photograph?
A.
4 in. by 5.6 in.
B.
5 in. by 7 in.
C.
10 in. by 14 in.
D.
4 in. by 6.3 in.
Hint
7.
Suppose biologists tagged 53 penguins in Antarctica during mating season. The next year, they caught 82 penguins and found that 11 of them had tags. Estimate the total number of penguins in the area.
A.
395
B.
353
C.
446
D.
405
Hint
8.
Of the 1,500 registered voters who were polled in the city, 46% said they would vote for Lerman for mayor and 42% said they would vote for McMahon. Suppose the number of registered voters in the city is 2 million. Assuming a 50% voter turnout, what percentage of the registered voters would you expect to actually vote for McMahon?
A.
23%
B.
42%
C.
50%
D.
21%
Hint