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Math

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A rectangular field will be fenced on all four sides. Fencing for the north and south sides costs $5 per foot and fencing for the other two sides costs $9 per foot. What is the maximum area that can be enclosed for $6000?

  • Math - ,

    6000=2(5x)+2(9x)
    6000=10x+18x
    6000=28x
    214.3=x

    214.3*214.3 = 45924.5 sq ft

    A square gives the maximum area. So therefore the sides are equal(x).

  • Math - ,

    Kerbie:
    HOW THE SIDES ARE EQUAL SINCE IT IS A RECTANGULAR GARDEN?

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