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20 May, 21:34

The length of rectangular hall is 3 meters more than double of its breadth. If it's perimeter is 66 meters, what is its length?

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  1. 20 May, 21:49
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    23

    Step-by-step explanation:

    Length = 2x + 3

    Width = x

    Width + Width + Length + Length = Perimeter

    Perimeter = 66

    This means:

    x + x + 2x + 3 + 2x + 3 = 66

    6x + 6 = 66

    6x = 60

    x = 10

    The width (x) = 10

    The length (2x + 3) = 23
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