math

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How do I set this up and solve?

You are planning a rectangular patio with length that is 7 ft less than 3 times its width. The area of the patio is 120 ft squared. What are the dimensions of the patio?

  • math -

    w(3w-7) = 120
    3w^2 - 7w - 120 = 0
    No rational solution.
    x = (7+√1489)/6

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