Предмет: Математика, автор: Ramiz0512

Сыр стоил 215 руб. Какова новая цена сыра после снижения на 10 %?


monixua: 215 делишь на 10%
monixua: ой
monixua: 215:100*5=10.75
215-10.75=204.25рубля
monixua: ой не мой не правильный я перепутала с 5%
monixua: мой? да я знаю

Ответы

Автор ответа: anonimkotik
0

Ответ:

1)215:10=21,5- скидка

2)215-21,5=193,5-цена со скидкой

Пошаговое объяснение:


monixua: ага
anonimkotik: ;)
Автор ответа: xacku2020
3

Ответ:

↓↓↓

Пошаговое объяснение:

215 руб--100%

х руб  --90%  , х=\frac{215*90}{100} = 193,5 ( рублей цена после снижения на 10%)

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