Find each percent increase round to the nearest percent from 86 books to 150 books
1 answer:
From 86 books to 150 books. An increase of 64 books. (150 - 86) / 86 = 64 / 86 = 0.744 * 100% = 74.40% or 74% increase 150 / 86 = 1.744 * 100% = 174.40% 86 is the basis. It is 100% If the problem asks for the value of the percentage increase and the rate is given 74.4% of 86. Then 86 * 74.4% = 64. You just add 64 to 86 to get the new total of books which is 150.
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