Предмет: Математика, автор: maydatd

На пошив 9 рубашек ушло 18,9 м ткани.Сколько метров уйдёт на пошив 12 таких же рубашек?
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Автор ответа: Piratka1

0

18,9м делим на 9 рубашек узнаём сколько метром надо на одну рубашку
18,9м:9=2,1м
Далее узнаём сколько метров надо на 12 рубашек
2,1м умножвем на 12 рубашек
2,1*12= 25,2м

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