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Alex_Xolod [135]
4 years ago
11

andrews book collection contains 60 books.he donates 15% of his books yo the national library,sells 1/4 of his books to a book d

ealer,and sells 7 books on amazon. how many books remain on andrews book collection
Mathematics
1 answer:
Vitek1552 [10]4 years ago
3 0

Answer:

Books remaining in  Andrews book collection = 29 books

Explanation:

 Andrews book collection contains 60 books.

 He donates 15% of his books to the national library,

        Number of books to library = 60 x 15/100 = 9

 Sells 1/4 of his books to a book dealer,

        Book sold to book dealer = 60 x 1/4 = 15

 Sells 7 books on amazon.

 Books remaining = 60 - (9 + 15 + 7)

                              = 60 - 31

                              = 29

Books remaining in  Andrews book collection = 29 books

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