10

Set 3: Ratios Rates Proportions (Intermediate)

Explanation

Answer: A

PROBLEM

A car travels 285 miles at 57 miles per hour. How many hours does it take?

A car travels 285 miles at 57 miles per hour. How many hours does it take?

A.

5

✓ Correct
B.

3

C.

2

D.

7

Detailed Explanation

Choice A is the best answer. Time = Distance / Rate = 285 / 57 = 5 hours

Why others are wrong:
B: 3 is incorrect because it does not satisfy the equation.
C: 2 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.

🎉 Set Complete!

You've reviewed all explanations. Ready to try another set?