Предмет: Математика, автор: marinavik85

помогите с решением.
Дом занимает 2/15 всего участка. Найти площадь участка, если площадь земли под домом 40 м квадратных.

Ответы

Автор ответа: VоЛk

Чтобы узнать число по его дроби, нужно известное нам число поделить на дробь:

$40 \div \dfrac{2}{15} = 40 \times \dfrac{15}{2} = \dfrac{40 \times 15}{2} = 20 \times 15 = 20 \times (10 + 5) = 200 + 100 = 300$

Ответ: 300 м^2

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