2

Set 1: Ratios Rates Proportions (Intermediate)

Explanation

Answer: B

PROBLEM

Recent studies show that a car travels at 31 miles per hour for 4 hours. How many miles does it travel?

A car travels at 31 miles per hour for 4 hours. How many miles does it travel?

A.

123

B.

124

✓ Correct
C.

248

D.

62

Detailed Explanation

[Variation 1] Choice B is the best answer. Distance = Rate times Time = 31 times 4 = 124 miles

Why others are wrong:
A: 123 is incorrect because it does not satisfy the equation.
C: 248 is incorrect because it does not satisfy the equation.
D: 62 is incorrect because it does not satisfy the equation.