Предмет: Математика, автор: makskalletinskiy

Морська вода мистить 5%соли скильки треба долити приснои води до 40 кг морскои шоб вмист соли складав 2%

Ответы

Автор ответа: parizat98

0

5%-40 кг
2%-x. кг
5х=80
х=16

Ответ : 16 кг

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