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6 February, 08:33

A 25% increase followed by a 20% decrease

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  1. 6 February, 11:29
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    The original amount

    Step-by-step explanation:

    Let x equal our amount

    We have a 25% increase

    The increase is x*.25

    The new total is the original amount plus the increase

    new total = x+.25x

    =1.25x

    New we have the decrease

    We have a 20% decrease

    The decrease is 1.25x*.20

    .25x

    The new total is the original amount minus the decrease

    new total = 1.25x -.25x

    =x
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