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13 June, 10:20

You increase the size of a page by 30%30%. Then you decrease it by 30%30%. What is the size of the page now?

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  1. 13 June, 14:20
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    Lets use 1 to solve this problem because it is easiest to show.

    Multiply 1 by 1.3 for a 30% increase (1*1.3=1.3).

    Then multiply 1.3 by. 7 for a 30% decrease. (1.3*.7=.91)

    Therefore the page had a 9% reduction from its original size or is 91% of its original size.
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