Solve the problem.
-Two cars leave town at the same time going in the same direction. One travels at $40 \mathrm{mph}$ and the other travels at $65 \mathrm{mph}$. In how many hours will they be $150 \mathrm{mi}$ apart?
A) $25 \mathrm{hr}$
B) $6 \mathrm{hr}$
C) $1 \mathrm{hr}$
D) $40 \mathrm{hr}$

Question

Quizplus · Accepted Answer

The relative speed between the two cars is $65 \mathrm{mph} - 40 \mathrm{mph} = 25 \mathrm{mph}$. To be $150 \mathrm{mi}$ apart, it would take $150 \mathrm{mi} / 25 \mathrm{mph} = 6 \mathrm{hr}$.

Solve the Problem 40mph40 \mathrm{mph}40mph And the Other Travels At 65mph65 \mathrm{mph}65mph

Solve the Problem $40 \mathrm{mph}$ And the Other Travels At $65 \mathrm{mph}$