Предмет: Математика, автор: заноза3

Чтобы получить 1т бумаги,надо вырубить лес площадью 900 м/кв .Какую площадь леса можно сэкономить ,если для получения 100 т бумаги использовать макулатуру?

Ответы

Автор ответа: Opolishuk

Можно сэкономить 900*100=90 000 м² леса (или 9 га).

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