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A dairy farmer plans to fence in a rectangular pasture adjacent to a river. The pasture must contain 180,000 square meters in order to provide enough gas for the herd. What dimensions would require the least amount of fencing if no fencing is needed along the river?

Should I use 2y + x = 180,000 ?? Minimize A(x) = (x)(y)

I've also tried

4y + 4x = 180,000;

4y + 3x = 180,000;

4y + 2x = 180,000

I don't know what is going to work here.

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# Homework Help: Optimization Problem

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