Math

URGENT! an artist intends to paint a 60-square-foot mural on a large wall that is 18 ft wide and 11 ft tall. find the dimensions of the mural if the artist leaves a border of uniform width around it. Pls show me how'd you get your answer

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asked by Laveeh
  1. w+2a = 18
    h+2a = 11

    w h = 60 so w = 60/h

    (60/h) + 2 a = 18
    but a = (11-h)/2

    60/h + 11 - h = 18
    60 + 11 h - h^2 = 18 h

    h^2 + 7 h - 60 = 0
    check my arithmetic and solve quadratic

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    posted by Damon
  2. If you really are a retired teacher, why would you use that kind of language towards students. Besides, he only miscalculated, you don't have to act crazy about. Please control your language around students. You should know how to is you really are a "retired teacher" @Ms. Sue.

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  3. Ms. Sue

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  4. I hope you learn.

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    posted by Ms. Sue
  5. 2+2?
    =4

    it took time and effort to solve it. your welcome.

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