Mathematics, 05.09.2020 07:01, leannaadrian

angel race book collection contains 40 books. she donates 15% of her to book to the houston library, sells 1/4 of her books to a rare book dealer, and sells 4 books on amazon. how many books remain in angel's book collection?

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angel race book collection contains 40 books. she donates 15% of her to book to the houston library,...