Предмет: Математика, автор: remennikov04

Путь от одной пристани до другой в 350 км катер прошёл со скоростью 50 км/ч ,а обратно шёл со скоростью 75 км/ч.Какое время он потратил на весь путь?

Ответы

Автор ответа: vmaluga2011

t=S:V
350 км:50 км/час=7 час (туда)
350 км:75 км/час=4 50/75 часа=4 2/3 часа (обратно)
7 час+4 2/3 часа = 11 2/3 часа = 11 час 40 мин (1 час=60 мин)
Ответ: он потратил на весь путь 11 часов 40 минут

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