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A FARMER BUILT A PEN FOR HIS FAVORITE PIG. THE PEN SHOWN BELOW HAS AN AREA OF 50 SQUARE FEET.THE PEN IS TWICE AS WIDE AS IT IS LONG AND HAS A PERIMETER OF 30 FEET. WHAT IS THE LENGTH, IN FEET OF THE PEN.

  • math - ,

    P = 2L + 2W

    30 = 2L + 4L

    30 = 6L

    5 = L

    2 * 5 = W

  • math - ,

    W=10

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