document.write( "Question 268554: Im haveing a problem figureing out how to set this equation up. a rectangle has a perimeter of 54 inches. the length of the rectangle is one less then three times the width. find the length and width of the rectangle \n" ); document.write( "
Algebra.Com's Answer #196811 by checkley77(12844) ![]() You can put this solution on YOUR website! L=3W-1 \n" ); document.write( "2L+2W=54 \n" ); document.write( "2(3W-1)+2W=54 \n" ); document.write( "6W-2+2W=54 \n" ); document.write( "8W=54+2 \n" ); document.write( "8W=56 \n" ); document.write( "W=56/8 \n" ); document.write( "W=56/8 \n" ); document.write( "W=7 ANS. FOR THE WIDTH. \n" ); document.write( "L=3*7-1 \n" ); document.write( "L=21-1=20 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*20+2*7=54 \n" ); document.write( "40+14=54 \n" ); document.write( "54=54 \n" ); document.write( " |