4
Answer: ASet 1: Ratios Rates Proportions (Advanced)
Explanation
PROBLEM
On a map, 1 inch represents 3 miles. If two cities are 5 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 3 miles. If two cities are 5 inches apart on the map, how many miles apart are they?
A.✓ Correct
15
B.
14
C.
18
D.
13
Detailed Explanation
Choice A is the best answer. Distance = 5 inches times 3 miles/inch = 15 miles
Why others are wrong:
B: 14 is incorrect because it does not satisfy the equation.
C: 18 is incorrect because it does not satisfy the equation.
D: 13 is incorrect because it does not satisfy the equation.