two trains leave a station at the same time, one traveling west at a rate of 60 km per hour, and the other heading east at 55 km per hour. in how many hours will they be 460 km apart?

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2020-11-22 00:44:58

you need to know the time and distance rate. so time (t) = Distance(D)/rate = 440/115 = 4 hours

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