Set 1: Ratios Rates Proportions (Intermediate)

**Choice D is the best answer.** Distance = Rate times Time = 39 times 4 = 156 miles

Explanation

Answer: D

PROBLEM

A car travels at 39 miles per hour for 4 hours. How many miles does it travel?

159

312

153

156

✓ Correct

Detailed Explanation

Choice D is the best answer. Distance = Rate times Time = 39 times 4 = 156 miles

Why others are wrong:

A: 159 is incorrect because it does not satisfy the equation.

B: 312 is incorrect because it does not satisfy the equation.

C: 153 is incorrect because it does not satisfy the equation.