Предмет: Алгебра, автор: MarinKa7A

За несколько книг уплатили 320 руб. Стоимость одной из книг составила 30%, а другой - 45% израсходованных денег. На сколько рублей первая книга дешевле второй?

Ответы

Автор ответа: Natalie97

0

1) 0,3*320=96 (руб.) - заплатили за одну книгу
2) 0,45*320=144(руб.) - заплатили за другую книгу
3) 144-96=48 (руб.)
Ответ: на 48 рублей

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