SOLUTION: two planes travel toward each other from cities that are 780 km. apart, at rates of 190 and 200 km/h. they started at the same time. in how many hours will they meet?
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Question 209548: two planes travel toward each other from cities that are 780 km. apart, at rates of 190 and 200 km/h. they started at the same time. in how many hours will they meet? Answer by checkley77(12844) (Show Source):
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