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Math Help - Worded question about length and width of a rectangle.

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    Talking Worded question about length and width of a rectangle.

    The length of a certain rectangle is twice its width. If the perimeter of the rectangle is 66 feet, what are the length and the width?
    Length = ? feet
    Width = ? feet
    Last edited by mr fantastic; April 29th 2010 at 09:52 PM. Reason: Re-titled
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    Quote Originally Posted by shelbylynn View Post
    The length of a certain rectangle is twice its width. If the perimeter of the rectangle is 66 feet, what are the length and the width?
    Length = ? feet
    Width = ? feet
    P = 2l + 2w.

    But l = 2w.

    Therefore P = 6w.

    But P = 66.

    Therefore 6w = 66 => .....
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