document.write( "Question 247889: In a house, the rectangular living room has a perimeter of 96ft. The length is 8ft less than twice the width. Express this information in the form of two equations. \n" ); document.write( "
Algebra.Com's Answer #180730 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-8 \n" ); document.write( "2L+2W=96 \n" ); document.write( "REPLACE L BY (2W-8) IN THE SECOND EQUATION & SOLVE FOR W. \n" ); document.write( "2(2W-8)+2W=96 \n" ); document.write( "4W-16+2W=96 \n" ); document.write( "6W=96+16 \n" ); document.write( "6W=112 \n" ); document.write( "W=112/6 \n" ); document.write( "W=18.667 ANS. FOR THE WIDTH. \n" ); document.write( "L=2*18.667-8 \n" ); document.write( "L=37.333-8 \n" ); document.write( "L=29.333 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*29.333+2*18.667=96 \n" ); document.write( "58.667+37.333=96 \n" ); document.write( "96=96 \n" ); document.write( " \n" ); document.write( " |