A librery has 2800 books find the number of books if it a) increases by 85% b)decreases by 17%
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a) No. of books = 2800
No. of books 85% = 85/100 × 2800
= 2380
Total number of books = 2800 + 2380
= 5180books
b) No. of books = 2800
No. of books 17% = 17/100 × 2800
= 476
Total number of books = 2800 + 476
= 3276books
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