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31 March, 07:28

A rectangular plot of ground is 5 meters longer than it is wide. It's area is 20,000 square meters. What is the deminsion

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  1. 31 March, 07:36
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    The formula for area is A = bh

    B = Length

    H = Width

    If B is 5 times longer than H ...

    A = 5x (x)

    Now let's solve

    20000 = 5 (x) (x)

    20000 = 5x^2

    /5 / 5

    4000 = x^2

    *square*

    20 = x

    The height (width) is 20. (x)

    The base (length) is 100 (5x - > 5 (20) - > 100)

    Proof: 20 times 100 = 20000
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