Предмет: Математика, автор: Nurikk2008

на изготовление 9 комплектов постельного белья потребовалась 126м ткани, Сколько нужно ткани,чтобы изготовить 20 таких комплектов? С условиями

Ответы

Автор ответа: altynai64

126*9=1134м ткани .. юб

Автор ответа: Amigo3

Ответ: количество метров ткани ищем из пропорции 20*126/9=280 метров.

Ответ 280 метров.

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