4
Answer: DSet 5: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
On a map, 1 inch represents 5 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 5 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
A.
34
B.
70
C.
32
D.✓ Correct
35
Detailed Explanation
Choice D is the best answer. Distance = 7 inches times 5 miles/inch = 35 miles
Why others are wrong:
A: 34 is incorrect because it does not satisfy the equation.
B: 70 is incorrect because it does not satisfy the equation.
C: 32 is incorrect because it does not satisfy the equation.