Предмет: Математика, автор: Anny7

5 насосов за 3 ч. откачали 1800 м³ воды.Найдите объём воды,которую могут откачать 4 таких насоса за 4 ч.

Ответы

Автор ответа: ali07

1800 : 3 = 600 м³ воды откачивают 5 насосов на 1 час

600 : 5 = 120 м³ воды откачивает 1 насос за 1 час

120 * 4 * 4 = 1920 м³ могут откачать 4 насоса за 4 часа

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