Предмет: Математика, автор: Аноним

Катер с грузоподъемностью 1 целая 1/5 т мажет перевести груз с одного берега на другой за 5 рейсов . Сколько рейсов придётся сделать другому катеру для перевозки тогоже груза , если его грузоподъёмность на 12/35 т меньше.

Ответы

Автор ответа: nurlanchik12

1)1 1/5 - 12/35= 6/5 - 12/35=42/35-12/35=30/35-грузоподъёмность второго катера

2)1 1/5*5=6/5 * 5=6(т)-вес груза

3)6 : 30/35= 210/35 : 30/35= 210/35 * 35/30=7(р) придётся сделать второму катеру

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