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A 8
a.m., a train leaves topeka for santa fe and another train leaves santa fe for topeka. the trains maintain constant speeds with no stops. the first train requires five hours to complete the trip and the second train requires seven hours. at what time do the trains pass each other?

Respuesta :

johnk12
in 1 hour both trains cover,1/7+1/5=12/35 of journey
time taken to pass each other=1/12/35=35/12 =2 11/12hrs 
=2hrs 55mins

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