document.write( "Question 212505: george built a rectangular pen for his rabbit such that the length in 7 ft. less than twice the width. If the perimeter is 40 ft., what are the dimensions of the pen \n" ); document.write( "
Algebra.Com's Answer #160471 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-7 \n" ); document.write( "2L+2W=40 \n" ); document.write( "2(2W-7)+2W=40 \n" ); document.write( "4W-14+2W=40 \n" ); document.write( "6W=40+14 \n" ); document.write( "6W=54 \n" ); document.write( "W=54/6 \n" ); document.write( "W=9 ANS. FOR THE WIDTH. \n" ); document.write( "L=2*9-7 \n" ); document.write( "L=18-7 \n" ); document.write( "L=11 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*11+2*9=40 \n" ); document.write( "22+18=40 \n" ); document.write( "40=40 \n" ); document.write( " |