document.write( "Question 356915: A farmer has a rectangular garden plot surrounded by 220 feet of fence. Find the dimensions of the garden if its area is 2400 square feet. \n" ); document.write( "
Algebra.Com's Answer #254865 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2L+2W=220 \n" ); document.write( "LW=2,400 OR L=2,400/W \n" ); document.write( "2(2,400/W)+2W=220 \n" ); document.write( "4,800/W+2W=220 \n" ); document.write( "(4,800+2W*W)/W=220 \n" ); document.write( "(2W^2+4,800)/W=220 \n" ); document.write( "2W^2+4,800=220*W \n" ); document.write( "2W^2+4,800=220W \n" ); document.write( "2W^2-220W+4,800=0 \n" ); document.write( "2(W^2-110W+2,400)=0 \n" ); document.write( "2(W-880)(W-30)=0 \n" ); document.write( "W-80=0 \n" ); document.write( "W=80 L=2,400/80=30 \n" ); document.write( "W-30=0 \n" ); document.write( "W=30 L=2,400/30=80 \n" ); document.write( "PROOF: \n" ); document.write( "2*30+2*80=220 \n" ); document.write( "60+160=220 \n" ); document.write( "220=220 \n" ); document.write( " |