6
Answer: ASet 1: Ratios Rates Proportions (Advanced)
Explanation
PROBLEM
On a map, 1 inch represents 5 miles. If two cities are 3 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 5 miles. If two cities are 3 inches apart on the map, how many miles apart are they?
A.✓ Correct
15
B.
7
C.
16
D.
14
Detailed Explanation
Choice A is the best answer. Distance = 3 inches times 5 miles/inch = 15 miles
Why others are wrong:
B: 7 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.
D: 14 is incorrect because it does not satisfy the equation.