Предмет: Алгебра, автор: Schule30

Решите задачу, выделяя три этапа математического моделирования. Мастер изготовляет в час на 6 деталей больше чем ученик. Сколько деталей в час изготовляет ученик, если мастер за 4 часа работы изготовил на 12 деталей больше,чем ученик за 5 часов?

Ответы

Автор ответа: ТатМих

1.х-ученик в час
х+6-мастер в час

2.4(х+6)-5х=12
4х+24-5х=12
-х=-12
х=12(д)-ученик за час.

3.За час ученик изготовил 12 деталей.

Автор ответа: Lailamustafaeva

2.4(х+6)-5х=12;4х+24-5х=12;х=12 за 1 час

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