В магазине фрукты стоят 75 руб. пенсионерам сделали скидку,они заплатили 65 руб.50 - Дата: 24.12.2019, Автор: bradshaw

В магазине фрукты стоят 75 руб. пенсионерам сделали скидку,они заплатили 65 руб.50 коп.Какую скидку сделали для пенсионеров?
- Предмет:
  Математика
- Автор:
  bradshaw
- 5 лет назад

Ответы 2

1)75 руб ---100%65 руб 50 коп ---х%тогда65,50*100\75=87% -оплатили пенсионеры за фруктытогда скидка будет такой100%-87%=13%2)65,50\75*100=87%100%-87%=13% -скидка пенсионеров
- Автор:
  jollymnbx
- 5 лет назад
- 0
75 руб-100%65,50 руб-?%1) 65,50*100:75=87 1/3% составляет сумма 65 руб 50 коп2) 100-87 1/3=99 3/3-87 1/3=12 2/3% скидка для пенсионеров
- Автор:
  mariam
- 5 лет назад
- 0
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В магазине фрукты стоят 75 руб. пенсионерам сделали скидку,они заплатили 65 руб.50 коп.Какую скидку сделали для пенсионеров?

Ответы 2

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