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Answer: DSet 4: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
On a map, 1 inch represents 4 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 4 miles. If two cities are 7 inches apart on the map, how many miles apart are they?
A.
26
B.
30
C.
29
D.✓ Correct
28
Detailed Explanation
Choice D is the best answer. Distance = 7 inches times 4 miles/inch = 28 miles
Why others are wrong:
A: 26 is incorrect because it does not satisfy the equation.
B: 30 is incorrect because it does not satisfy the equation.
C: 29 is incorrect because it does not satisfy the equation.