document.write( "Question 640398: please help me find solution to this problem. Good day and thank you!\r
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document.write( "Troy made a rectangular pen for his dog using the side of the garage for one side and 30 feet of fencing for the other 3 sides. if the area is enclosed by the fence was 112 square feet, find the dimensions of the pen. \r
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Algebra.Com's Answer #403168 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Troy made a rectangular pen for his dog using the side of the garage for one side and 30 feet of fencing for the other 3 sides. if the area is enclosed by the fence was 112 square feet, find the dimensions of the pen. \n" ); document.write( "--------------------------- \n" ); document.write( "Area = L*W = 112 \n" ); document.write( "2W + L = 30 --> L = 30 - 2W \n" ); document.write( "---- \n" ); document.write( "W*(30 - 2W) = 112 \n" ); document.write( "2W^2 - 30W + 112 = 0 \n" ); document.write( "W^2 - 15W + 56 = 0 \n" ); document.write( "W = 7, L = 16 \n" ); document.write( "------------------- \n" ); document.write( "W = 8, L = 14 \n" ); document.write( " \n" ); document.write( " |