Предмет: Математика, автор: 100baby

помагите сделать задачу 661плииииииз

Приложения:

Ответы

Автор ответа: Trover

За минуту Иван начистит 1/15 часть ведра, Марат 1/18 часть. Вместе за минуту начистят
$frac1{15}+frac1{18}=frac{6+5}{90}=frac{11}{90}$ часть ведра,
за 10 минут
$frac{11}{90}cdot10=frac{110}{90}=1frac{20}{90}=1frac29$ часть ведра.
Ответ: успеют.

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