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March 25, 2017

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The area of a playground is 221 yd^2. The width of the playground is 4 yd longer than its length. Find the length and width of the playground.

  • Algebra - ,

    Solve w*(w-4) = 221

    Width is usually less than length for a rectangle, but that is not the case here.

    Try factoring
    w^2 - 4w -221 = 0, and
    take the positive root.

    You should end up with integers for the length and the width.

    w-4 is the length.

  • Algebra - ,

    Thank you :)!

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