Предмет: Математика, автор: alexeybogdanovЛёша

Джинсы стоили 650 р. Цену на них увеличили на 25%. На сколько процентов нужно уменьшить новую цену, чтобы вернуть её к первоначальной?

Нужно составить пропорция и решить её!!

Ответы

Автор ответа: 55romashka55

650**1,25=812,5
650/812,5=0,8 тобто 80%

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