Mathematics, 03.03.2021 08:20 cordovamaria22

There were some fiction and non-fiction books in second-hand bookstore. The number of fiction books was 3/5 of the number of non-fiction books. After an equal number of fiction and non-fiction books were sold, the ratio of the
number of fiction books to the number of non-fiction books left was 5:9. There were 240 books altogether. How many
books were sold altogether?

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