Предмет: Математика, автор: Ксюха11111111111111

с двух станций расстояние между которыми 720 километров вышли Одновременно навстречу друг другу два поезда. скорость первого поезда 75 километров в час а скорость второго на 10 километров в час больше. На каком расстоянии друг от друга будут поезда через 4 часа?

Ответы

Автор ответа: budjuka37
0
1 поезд пройдет за 4 часа    4*75=300 км
второй поезд пройдет4*(75+10)=340 км
через ч 4 часа они будут на расстоянии 720-300-340=80 км
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