document.write( "Question 266369: the length of a rectangular field is 7 meters more than twice it width. the perimeter is 140 meters, find the dimension of the field \n" ); document.write( "
Algebra.Com's Answer #195705 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W+7 \n" ); document.write( "2L+2W=140 \n" ); document.write( "2(2W+7)+2W=140 \n" ); document.write( "4W+14+2W=140 \n" ); document.write( "6W=140-14 \n" ); document.write( "6W=126 \n" ); document.write( "W=126/6 \n" ); document.write( "W=21 ANS. FOR THE WIDTH. \n" ); document.write( "L=2*21+7=42+7=49 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*49+2*21=140 \n" ); document.write( "98+42=140 \n" ); document.write( "140=140 \n" ); document.write( " |