SOLUTION: two planes, one going north and one going south, depart simultaneously from the same airport. If they travel at 450 km/h and 620 km/h respectively, how many hours will pass before
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Question 499530: two planes, one going north and one going south, depart simultaneously from the same airport. If they travel at 450 km/h and 620 km/h respectively, how many hours will pass before they are 2800 km apart?? Answer by mananth(16946) (Show Source):
