Предмет: Математика, автор: bakitbek1971

одновременно из двух городов навстречу выехали два поезда.скорост первого 59км/ч.это 18км/ч меньше второго.какое расстояние между городами если они встретились через 13часов.

Ответы

Автор ответа: Oshumakova2005

1)59+18=77(км/ч)-скорость второго поезда.
2)77+59=136(км/ч)-скорость сближения.
3)136*13=1768(км)
Ответ:1768 км расстояние через 3 часа

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