6
Answer: DSet 3: Ratios Rates Proportions (Advanced)
Explanation
PROBLEM
On a map, 1 inch represents 3 miles. If two cities are 3 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 3 miles. If two cities are 3 inches apart on the map, how many miles apart are they?
A.
12
B.
10
C.
6
D.✓ Correct
9
Detailed Explanation
Choice D is the best answer. Distance = 3 inches times 3 miles/inch = 9 miles
Why others are wrong:
A: 12 is incorrect because it does not satisfy the equation.
B: 10 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.