Предмет: Математика, автор: likarobert06

Два велосипедиста одновременно выехали навстречу друг другу по одной и той же дороге, соединяющей два села. Одному на весь путь требуется 1 час, а другому – полтора часа. Через сколько минут они встретятся?

Ответы

Автор ответа: MrLyanda

весь путь S
скорость первого V1=S/1
скорость второго V2=S/1.5
Скорость сближения S+S/1.5
S/(S+S/1.5) =1.5S/2.5S=1.5/2.5=0.6 ч- искомое время
0.6 ч=36 минут

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