Algebra

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A 180-m wire is cut into three pieces. The third piece is 20 m longer than the first. The second is two thirds as long as the first. How long is each piece?

  • Algebra -

    x = first piece

    x + x + 20 + (2/3)x = 180

    2 2/3x = 160

    x = 160/(8/3)

    x = 160 * (3/8)

    x = 60

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