1.
Which pair of ratios forms a proportion?
A.
B.
C.
D.
Hint
2.
Solve the proportion
A.
52.5
B.
24
C.
0.02
D.
13
Hint
3.
A 50-mile trip uses 2 gallons of gas. How much gas would you use on a 115-mile trip?
A.
4.6 gallons
B.
4 gallons
C.
25 gallons
D.
5 gallons
Hint
4.
Solve –13
b
– 17 – 5
b
= 2
b
– 10 –20
b
– 7.
A.
b
= 0
B.
All Real Numbers
C.
No Solution
D.
b
= 1
Hint
5.
A blueprint of an office building has a scale of
inch = 2 feet. What are the dimensions of a storage closet that measures 3 inches by
inches on the blueprint?
A.
8 feet by 12 feet
B.
6 feet by 9 feet
C.
feet by 10 feet
D.
feet by 4 feet
Hint