A rectangular plot of land is to be fenced in using two kindsof fencing. Two opposite
Chapter 4, Problem 5(choose chapter or problem)
A rectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $3 a foot, while the remaining two sides will use standard fencing selling for $2 a foot. What are the dimensions of the rectangular plot of greatest area that can be fenced in at a cost of $6000?
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