Arectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $7 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 $16,800? ft of heavy-duty fencing ft of standard fencing

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Arectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $7 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 $16,800?
ft of heavy-duty fencing
ft of standard fencing
Transcribed Image Text:Arectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $7 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 $16,800? ft of heavy-duty fencing ft of standard fencing
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