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math

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THe width of a garden is 8 feet less than the length. If the area of the garden is 20 square feet, find the length and the width.

could someone work this for me. I have but not right.

  • math -

    What if the length is 10 feet?

  • math -

    LW=20
    W=L-8
    L(L-8)=20
    L^2-8L-20=0
    (L-10) (L+2)
    Only 10 works. When we put ten back in either, equation you get 2 for W.

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