3
Answer: BSet 1: Ratios Rates Proportions (Advanced)
Explanation
PROBLEM
A car travels 80 miles at 40 miles per hour. How many hours does it take?
A car travels 80 miles at 40 miles per hour. How many hours does it take?
A.
5
B.✓ Correct
2
C.
1
D.
1
Detailed Explanation
Choice B is the best answer. Time = Distance / Rate = 80 / 40 = 2 hours
Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
C: 1 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.