Solve the problem.
-Two trains leave a train station at the same time. One travels east at 12 miles per hour. The other train travels west at 7 miles per hour. In how many hours will the two trains be 114 miles apart?
A)6.5 hr
B)12 hr
C)3 hr
D)6 hr

Question

Quizplus · Accepted Answer

The trains are moving away from each other, so their speeds add up. The combined speed is 12 + 7 = 19 miles per hour. To find the time when they are 114 miles apart, divide the distance by the combined speed: 114 / 19 = 6 hours.

Solve the Problem. -Two Trains Leave a Train Station at the Same Time