Предмет: Математика, автор: annn29

Блокнот стоил 20 рублей, а потом подорожал в 5 раз. На сколько % он подорожал? Насколько % старая цена меньше новой?​

Ответы

Автор ответа: kroxinq
1

Ответ:

20 умножить на 5 равно 100

100 - 20 равно 80 он подорожал

100- 80 на 20

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