7
Answer: DSet 4: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
A car travels 215 miles at 43 miles per hour. How many hours does it take?
A car travels 215 miles at 43 miles per hour. How many hours does it take?
A.
3
B.
2
C.
7
D.✓ Correct
5
Detailed Explanation
Choice D is the best answer. Time = Distance / Rate = 215 / 43 = 5 hours
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.