2
Answer: CSet 3: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
Recent studies show that on a map, 1 inch represents 4 miles. If two cities are 4 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 4 miles. If two cities are 4 inches apart on the map, how many miles apart are they?
A.
19
B.
17
C.✓ Correct
16
D.
8
Detailed Explanation
[Variation 1] Choice C is the best answer. Distance = 4 inches times 4 miles/inch = 16 miles
Why others are wrong:
A: 19 is incorrect because it does not satisfy the equation.
B: 17 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.