Asked by stephaine

Two airplanes start at the same time and fly
toward each other from points 1000 km apart at rates of
420 km/h and 330 km/m . After how many hours will
they meet?

Answers

Answered by drwls
The distance between them decreases at a rate 750 km/h. The time requires for them to meet is 1000/750 = 4/3 hours of 1 hour and 20 minutes.
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