До сниженния цены 2800 после 2380 На сколько процентов снизилась цена? - №19671627

До сниженния цены 2800 после 2380
На сколько процентов снизилась цена?
- Предмет:
  Математика
- Автор:
  norton74
- 6 лет назад

Ответы 1

2800 - 100%2380 - х Решим пропорциюх=2380*100:2800=85%100%-85%=15%Ответ: цена снизилась на 15%
- Автор:
  onievjme
- 6 лет назад
- 0
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