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Math Help - Constrction

  1. #1
    Junior Member
    Joined
    Jun 2007
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    37

    Constrction

    A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edgge. if the remaining garden area is 400ft^(squared), what is the width of the path?
    How do i set this up..I am stuck
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  2. #2
    MHF Contributor red_dog's Avatar
    Joined
    Jun 2007
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    Medgidia, Romania
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    Let x be the width of the path.
    The remaining garden area is (30-2x)(20-2x)
    Can you finish it?
    Attached Thumbnails Attached Thumbnails Constrction-garden.jpg  
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