Предмет: Математика, автор: mgrebenkov

Помогите пожалуйста решить задачу. В жаркий день 6 косарей выпили бочонок кваса за 8 часов. Нужно узнать, сколько косарей за 3 часов выпьют такой же бочонок кваса.

Ответы

Автор ответа: Regent1828

Если 6 косарей выпивают бочонок кваса за 8 часов, то 48 косарей выпьют такой бочонок за 1 час. Очевидно, что для того, чтобы выпить бочонок за 3 часа, потребуется: 48 : 3 = 16 косарей.

Или так:

Скорость потребления кваса шестью косарями: 1/8 бочонка в час.

Скорость потребления кваса одним косарем: 1/8 : 6 = 1/48 бочонка в час. То есть один косарь выпьет бочонок кваса за: 1 : 1/48 = 48 (ч)

Тогда за 3 часа бочонок будет выпит: 48 : 3 = 16 (косарями)

Ответ: 16 косарей выпьют бочонок кваса за 3 часа.

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