Предмет: Математика, автор: аля532

найди процент содержания соли в растворе если 400 г раствора содержит 34 г соли! люди плиз

Ответы

Автор ответа: DariosI

Данную задачу можно решить через пропорцию:
400 г -100 %
34 г -? %

100*34:400=8,5 % содержание соли в растворе

Ответ 8,5%

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