Предмет: Математика, автор: NakaNastig

в пакеті була деяка кількість борошна коли в нього добавили у три рази меньше борошна ніж було в ньому стало 900г . Скільки грамів борошна добавили в пакет​

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Ответы

Автор ответа: Аноним
1

Позначимо початкову кількість борошна - 3х, тоді маємо рівняння:

3x + x = 900

4x = 900

x = 900 / 4

x = 225

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