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10 August, 19:38

Carter plans to wallpaper the longest wall in his living room. The wall is twice as long as it is high and has a area of 162 feet. What is the height of the wall

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  1. 10 August, 22:51
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    Let height be x feet the the length = 2x feet

    so x * 2x = 162

    2x^2 = 162

    x^2 = 81

    x = 9

    the wall is 9 feet high
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