Mathematics, 05.02.2021 21:20 chammusa2

A group of 15 people each bought both a book that cost x dollars and a bookmark that cost $1. A group of 3 people each bought both a book that cost x dollars and a backpack that cost $36. Both groups spent the same amount of money. What is the price of the book?

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A group of 15 people each bought both a book that cost x dollars and a bookmark that cost $1. A grou...

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