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): You can put this solution on YOUR website!
D=RT
780=190T+200T
780=390T
T=780/390
T=2 HOURS THEY WILL MEET.
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