6

Set 2: Ratios Rates Proportions (Intermediate)

Explanation

Answer: D

PROBLEM

On a map, 1 inch represents 4 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

On a map, 1 inch represents 4 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

A.

31

B.

29

C.

34

D.

32

✓ Correct

Detailed Explanation

Choice D is the best answer. Distance = 8 inches times 4 miles/inch = 32 miles

Why others are wrong:
A: 31 is incorrect because it does not satisfy the equation.
B: 29 is incorrect because it does not satisfy the equation.
C: 34 is incorrect because it does not satisfy the equation.