SOLUTION: Two trains leave the station at the same time. One is traveling to the north at 50 km/hr and the other to the south at 70 km/hr. In how many hours will they be 280 km apart?
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Question 991320: Two trains leave the station at the same time. One is traveling to the north at 50 km/hr and the other to the south at 70 km/hr. In how many hours will they be 280 km apart?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Two trains leave the station at the same time. One is traveling to the north at 50 km/hr and the other to the south at 70 km/hr. In how many hours will they be 280 km apart?
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going in opposite directions --> the speeds are added.
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d = r*t
t = d/r
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