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A Percentage Increase · Apply

Goal: Type a full passage of real text at a steady pace. Type the method as well as the answer. Check decimal points, signs and units before moving on.

A school library had 240 books and received 60 more. The increase is 60 books, so the percentage increase is (60 / 240) x 100 = 25%. The new total is 300 books. Use the original number, 240, as the denominator. Using 300 would give the increase as a share of the new total, which answers a different question.

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