Предмет: Математика, автор: darina6727

Мастер выполнит работу самостоятельно за 4 часа, а ученик - за 16 часов. Сколько времени нужно для выполнения той же работы, если мастер и ученик будут работать вместе?
Срочно, помогите пожалуйста!!

Ответы

Автор ответа: ggoddessst

1

ответ:12 часов(16-4=12)

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