document.write( "Question 319690: A rectangle's width is one-fifth its length, and its perimeter is 144m. Find the dimenision of the rectangle \n" ); document.write( "
Algebra.Com's Answer #228925 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! W=L/5 \n" ); document.write( "P=2L+2W \n" ); document.write( "144=2L+2(L/5) \n" ); document.write( "144=2L+2L/5 FIND THE LCD (5) \n" ); document.write( "144=(5*2L+2L)/5 \n" ); document.write( "144=(10L+2L)/5 CROSS MULTIPLY \n" ); document.write( "10L+2L=144*5 \n" ); document.write( "12L=720 \n" ); document.write( "L=720/12 \n" ); document.write( "L=60 ANS. FOR THE LENGTH. \n" ); document.write( "W=60/5=12 ANS. FOR THE WIDTH. \n" ); document.write( "PROOF: \n" ); document.write( "144=2*60+2*12 \n" ); document.write( "144=120+24 \n" ); document.write( "144=144\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |