10
Answer: DSet 1: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
A car travels at 45 miles per hour for 3 hours. How many miles does it travel?
A car travels at 45 miles per hour for 3 hours. How many miles does it travel?
A.
133
B.
136
C.
137
D.✓ Correct
135
Detailed Explanation
Choice D is the best answer. Distance = Rate times Time = 45 times 3 = 135 miles
Why others are wrong:
A: 133 is incorrect because it does not satisfy the equation.
B: 136 is incorrect because it does not satisfy the equation.
C: 137 is incorrect because it does not satisfy the equation.
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