Предмет: Математика, автор: Jungleheat7

помогите 354 пожалуйста нужно быстре

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Автор ответа: kalbim

Скорость катера по течению реки: V=Vк+Vр
Vк=20 км/ч
Vр=3 км/ч
V=20+3=23 км/ч
Пройденный путь равен S=92 км.
Время в пути: t=S/V=92/23=4 часа

Ответ: 4 часа

Автор ответа: Jungleheat7

Большое спасибо

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