6

Set 3: Ratios Rates Proportions (Intermediate)

Explanation

Answer: B

PROBLEM

On a map, 1 inch represents 2 miles. If two cities are 3 inches apart on the map, how many miles apart are they?

On a map, 1 inch represents 2 miles. If two cities are 3 inches apart on the map, how many miles apart are they?

A.

8

B.

6

✓ Correct
C.

4

D.

5

Detailed Explanation

Choice B is the best answer. Distance = 3 inches times 2 miles/inch = 6 miles

Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.