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OpenStudy (anonymous):
A passenger train leaves New York City traveling west at 130 km/hr. Three hours later, a freight train leaves the same station, traveling west at 160 km/hr. How many hours will each train travel before the second train catches up with the first?
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OpenStudy (anonymous):
13
OpenStudy (anonymous):
130(x+3)=160x x= time the second train traveled x+3 = time the first train traveled
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