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Math Help - Help with math homework

  1. #1
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    Question Help with math homework

    Hello everyone, this is my first post here. I have been trying to figure this out for a while now, and i have no idea what i am doing.

    A farmer has $3600 to spend on fencing for three adjoining rectangular pastures, all with the same dimensions. A local contracting company tells the farmer that they can build the fence for $6.25/m. What is the largest total area that the farmer can have fenced for that price?

    I could really use some help on this problem, please help!
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  2. #2
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    Quote Originally Posted by ATRTrivium View Post
    Hello everyone, this is my first post here. I have been trying to figure this out for a while now, and i have no idea what i am doing.

    A farmer has $3600 to spend on fencing for three adjoining rectangular pastures, all with the same dimensions. A local contracting company tells the farmer that they can build the fence for $6.25/m. What is the largest total area that the farmer can have fenced for that price?

    I could really use some help on this problem, please help!
    make a sketch, and label the dimensions ...

    Code:
        x      x      x
    **********************
    *      *      *      *
    *      *      *      * y
    *      *      *      *
    **********************
    cost of fence ...

    $3600 = (6x + 4y)($6.25)

    area of enclosures ...

    A = 3xy

    using the cost equation, solve for one variable in terms of another and substitute into the area equation in order to get area in terms of a single variable, then find the maximum area using the method(s) taught to you in class.
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  3. #3
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    thanks a lot man
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