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08-11-2022
Mathematics

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a rectangular lot is to be bounded by a fence on three sides and by a wall on the fourth side. two kinds of fencing will be used with heavy duty fencing selling for $4 a foot on the side opposite the wall. the two remaining sides will use standard fencing selling for $3 a foot. what are the dimensions of the rectangular plot of greatest area that can be fenced in at a cost of $6600?

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