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Answer: DSet 5: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
On a map, 1 inch represents 2 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 2 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
A.
7
B.
11
C.
16
D.✓ Correct
14
Detailed Explanation
Choice D is the best answer. Distance = 7 inches times 2 miles/inch = 14 miles
Why others are wrong:
A: 7 is incorrect because it does not satisfy the equation.
B: 11 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.