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23 April, 21:59

The price of a notebook was $3.15 yesterday. today, the price rose to $3.40. find the percentage increase. round your answer to the nearest tenth of a percent.

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  1. 23 April, 22:04
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    Yesterday = $3.15

    Today = $3.40

    % Increase = ((3.40 - 3.15) / 3.15) * 100%

    = (0.25/3.15) * 100%

    ≈ 0.0794 * 100%

    ≈ 7.94 %

    ≈ 7.9 % to the nearest tenth.
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