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19 August, 12:34

Larry wants to buy some carpeting for his living room. The leangth of the room is 3 times the width and the total area of the room is 12 square meters. what is the leangth of the living room?

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  1. 19 August, 12:36
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    Equation for length:

    l = 3w

    l * w = 12

    Substitute 3w into L.

    (3w) * w = 12

    4w = 12

    w = 3

    Substitute 3 into w to find the length.

    l = 3w

    l = 3*3

    l = 9

    The width is 3 and the length is 9.
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