Предмет: Математика, автор: lordnaryto

Со станции вышли одновременно в противоположных направлениях два поезда и через 2,7 часа оказались на расстоянии 408,24 км друг от друга. Найдите скорости поездов, если известно, что скорость одного из них в 1,4 раза меньше скорости другого.

Ответы

Автор ответа: Аноним

2

х-скорость 1,1,4х-скорость 2
(х+1,4х)*2,7=408,24
2,4х=408,24:2,7
2,4х=151,2
х=151,2:2,4
х=63км/ч-скорость 1
63*1,4=88,2км/ч-скорость 2

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