Товар после уценки на 30% стал стоить 630 рублей. Сколько рублей стоил товар до уценки? - №23723401

Товар после уценки на 30% стал стоить 630 рублей. Сколько рублей стоил товар до уценки?
- Предмет:
  Математика
- Автор:
  sanai
- 5 лет назад

Ответы 1

100%---x70%---630x= {630*100}{70}=9*100=900
- Автор:
  kanebryan
- 5 лет назад
- 0
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