Предмет: Математика, автор: qspirochkina

Поступивший в продажу а сентябре мобильный телефон стоил 2500 рублей. В октябре он стал стоить 1750 рублей. На сколько процентов снизилась цена на мобильный телефон в период с сентября по октябрь?

Ответы

Автор ответа: arcticnet

цена снизилась 2500 - 1750 = 750р.
определим в процентах (750/2500) * 100 = 30 %

Автор ответа: Кариночка78

2500-100% 2500:100=25 -1%
2500-1750=750 руб.
750:25=30% ответ :на 30 % снизилась цена

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