document.write( "Question 270318: the perimeter is 36 inches and the length is 3 times the width. what is the length and width? \n" ); document.write( "
Algebra.Com's Answer #198081 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=3W \n" ); document.write( "2L+2W=36 \n" ); document.write( "2(3W)+2W=36 \n" ); document.write( "6W+2W=36 \n" ); document.write( "8W=36 \n" ); document.write( "W=36/8 \n" ); document.write( "W=4.5 INCHES FOR THE WIDTH. \n" ); document.write( "L=3*4.5=13.5 INCHES FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*13.5+2*4.5=36 \n" ); document.write( "27+9=36 \n" ); document.write( "36=36 \n" ); document.write( " |