SOLUTION: Two trains leave the station at the same time, one heading west and the other east. The westbound train 60 travels at miles per hour. The eastbound train 80 travels at miles per ho

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Question 798461: Two trains leave the station at the same time, one heading west and the other east. The westbound train 60 travels at miles per hour. The eastbound train 80 travels at miles per hour. How long will it take for the two trains to be 168 miles apart?
i have tried and tried and I just dont understand how to figure it out

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two trains leave the station at the same time, one heading west and the other east. The westbound train 60 travels at miles per hour. The eastbound train 80 travels at miles per hour. How long will it take for the two trains to be 168 miles apart?
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The speeds are added when going in opposite directions.
The separate at 140 mi/hr (60+80)
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d = r*t
t = d/r = 168/140
t = 1.2 hours