7
Answer: CSet 1: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
A car travels 60 miles at 30 miles per hour. How many hours does it take?
A car travels 60 miles at 30 miles per hour. How many hours does it take?
A.
4
B.
4
C.✓ Correct
2
D.
5
Detailed Explanation
Choice C is the best answer. Time = Distance / Rate = 60 / 30 = 2 hours
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.