document.write( "Question 656836: The length of a room is 4 feet less than twice its width. The perimeter of the room is 58 feet. What is the length of the room? How Would I solve this ? \n" ); document.write( "
Algebra.Com's Answer #409689 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-4 \n" ); document.write( "PERIMETER=2L+2W \n" ); document.write( "58=2(2W-4)+2W \n" ); document.write( "58=4W-8+2W \n" ); document.write( "58=6W-8 \n" ); document.write( "6W=58+8 \n" ); document.write( "6W=66 \n" ); document.write( "W=66/6 \n" ); document.write( "W=11 ANS. FOR THE WIDTH. \n" ); document.write( "L=2*11-4 \n" ); document.write( "L=22-4 \n" ); document.write( "L=18 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "58=2*18=2*11 \n" ); document.write( "58=36+22 \n" ); document.write( "58=58 \n" ); document.write( " |