Предмет: Математика, автор: masapalkina774

Розв'яжи задачу через першу трубу басейн можна наповнити за дві години а через другу за 8 годин за який час наповниться басейн якщо обидві труби відкрити одночасно

Ответы

Автор ответа: MiroslavaMuromskaya

Ответ:

Пошаговое объяснение:

1/2 часть бассейна наполнит первая труба за один час

1/8 часть бассейна наполнит вторая труба за один час

1/2+1/8=4/8+1/8=5/8 часть заполнят две трубы за один час

1:5/8=8/5= 1 3/5 часа потребуется для наполнения двумя трубами одновременно.

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