Предмет: Математика, автор: cosmosssosss

В январе в магазине появилась новая модель телефона по цене 4500 рублей. В июне эта
модель подешевела на 20%, а в ноябре подорожала на 10% от новой цены. Сколько рублей
стоила эта модель телефона в ноябре? ​

Ответы

Автор ответа: tmouse82
2

Ответ:3960руб.

Пошаговое объяснение:

4500 /100% * 20% =900 сумма уценки

4500-900= 3600 цена после уценки

3600*100%*10%= 360 сумма увеличение стоимости

3600+360=3960 стоимость после увеличения

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