Предмет: Математика, автор: ajajja

Товарный поезд прошел 315 км. Он был в пути до остановки 3 часа и после остановки 4 часа . Сколько километров прошел поезд до остановки и сколько после если он шел с одинаковой скоростью?

Ответы

Автор ответа: kirastas

1)3+4=7 часов всего в пути
2)315:7=45 км/час скорость поезда
3)45*3=135 км до остановки
4)45*4=180 км после остановки

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