7

Set 3: Ratios Rates Proportions (Advanced)

Explanation

Answer: C

PROBLEM

On a map, 1 inch represents 2 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

On a map, 1 inch represents 2 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

A.

15

B.

32

C.

16

✓ Correct
D.

19

Detailed Explanation

Choice C is the best answer. Distance = 8 inches times 2 miles/inch = 16 miles

Why others are wrong:
A: 15 is incorrect because it does not satisfy the equation.
B: 32 is incorrect because it does not satisfy the equation.
D: 19 is incorrect because it does not satisfy the equation.