Предмет: Математика, автор: nysha66683

Книга вперплете стоит 64 рубля. Сколько стоит переплет если сама книга дороже переплета на 60 рублей

Ответы

Автор ответа: filipppanov

пусть переплет стоит х. тогда книга стоит х+60
т.к книга в переплете (по условию). то

х+(х+60)=64
х=2

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