Предмет: Математика, автор: nadasinelnicenko489

Вантажівка здійснює один повний рейс за 1 год 20 хв. Скільки повних
рейсів вона здійснить за робочий день (8 годин)?
21

Ответы

Автор ответа: prettypushkova
0

1 рейс - 1 ч 20 мин = 1 ч + 20/60 ч = 1 1/3 ч = 4/3 ч

х рейсов - 8 ч

- - - - - - - - - - - -

8 : 4/3 = 8 · 3/4 = 2 · 3 = 6 - столько рейсов грузовик выполнит за 8 часов.

Ответ: 6 рейсов.

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