9

Set 2: Ratios Rates Proportions (Advanced)

Explanation

Answer: B

PROBLEM

On a map, 1 inch represents 3 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

On a map, 1 inch represents 3 miles. If two cities are 8 inches apart on the map, how many miles apart are they?

A.

21

B.

24

✓ Correct
C.

26

D.

12

Detailed Explanation

Choice B is the best answer. Distance = 8 inches times 3 miles/inch = 24 miles

Why others are wrong:
A: 21 is incorrect because it does not satisfy the equation.
C: 26 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.