8
Answer: CSet 4: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
On a map, 1 inch represents 2 miles. If two cities are 10 inches apart on the map, how many miles apart are they?
On a map, 1 inch represents 2 miles. If two cities are 10 inches apart on the map, how many miles apart are they?
A.
19
B.
10
C.✓ Correct
20
D.
17
Detailed Explanation
Choice C is the best answer. Distance = 10 inches times 2 miles/inch = 20 miles
Why others are wrong:
A: 19 is incorrect because it does not satisfy the equation.
B: 10 is incorrect because it does not satisfy the equation.
D: 17 is incorrect because it does not satisfy the equation.