Seudónimo Seudónimo
  • 21-01-2017
  • 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 20 miles per hour slower than the eastbound train. If the two trains are 380 miles apart after 2 hours, what is the rate of the westbound train?

Do not do any rounding.

Respuesta :

Kurohanico
Kurohanico Kurohanico
  • 21-01-2017
2 (x-20)+2x=38
4x-40=380
4x=420
x=150

The train is 130mph.
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