Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 14 miles per hour slower than the eastbound train. If the two trains are 800 miles apart after 4 hours, what is the rate of the westbound train?

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17-08-2017
Mathematics

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Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 14 miles per hour slower than the eastbound train. If the two trains are 800 miles apart after 4 hours, what is the rate of the westbound train?

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caylus caylus · Answer 1 · 2017-08-17T12:51:20+02:00

caylus caylus

17-08-2017

Hello,
Assume v the speed of the eastbound train,
v-14 the speed of the westbound train
v*4+(v-14)*4=800
==>8v=800+56
==>v=107 (mi/h)
Speed of the westbound train: 107-14=93 (mi/h)

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