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The length of a rectangle is 9.7cm more than 4 times the width. If the perimeter of the rectangle is 9.1cm what are its dimensions?

Could someone please explain, not looking for just answer, needing to know how to do it.

  • algebra -

    width = w
    length = 4w+9.7

    p = 2(w + 4w+9.7) = 9.1
    w = -1.03

    That seems odd, since widths are usually positive. But, looking at the data given, it's impossible for the length to be greater than 9.7 and have the perimeter be only 9.1

    Better fix it if you want a sensible answer.

  • algebra -

    Steve you were right missed wrote.the length is 9.7cm more than 4 times the width and the perimeter is 91.4cm.

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