Предмет: Математика, автор: Аноним

Теплоход плыл 4,2 ч по течению реки и 2,4 ч против течения. Какой путь проплыл теплоход, если его скорость против течения равна 27,3 км/ч, а скорость течения реки - 2,2 км/ч?

Ответы

Автор ответа: jekadva

27,3*2,4=65,52км проплыл теплоход против течения
27,3+2,2=29,5км/ч собственная скорость теплохода
29,5+2,2=31,7км/ч скорость теплохода по течению
31,7*4,2=133,14км проплыл теплоход по течению
65,52+133,14=198,66км пройденный путь теплохода

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