9
Answer: CSet 4: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
On a map, 1 inch represents 4 miles. If two cities are 5 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 4 miles. If two cities are 5 inches apart on the map, how many miles apart are they?
A.
23
B.
10
C.✓ Correct
20
D.
18
Detailed Explanation
Choice C is the best answer. Distance = 5 inches times 4 miles/inch = 20 miles
Why others are wrong:
A: 23 is incorrect because it does not satisfy the equation.
B: 10 is incorrect because it does not satisfy the equation.
D: 18 is incorrect because it does not satisfy the equation.