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20 December, 22:00

The price of a notebook was $3.50 yesterday. Today, the price rose to $4.00. Find the percentage increase. Round your answer to the nearest tenth of a percent.

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  1. 20 December, 22:16
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    Percent increase : (4.00 - 3.50) / 3.50 ... * 100

    0.50 / 3.50 ... * 100

    0.1428 * 100

    14.28% ... this rounds to 14.3% <==
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