document.write( "Question 126737: The width of a rectangle is 15 feet less than its length, and the perimeter is 210 feet. Find the width \n" ); document.write( "
Algebra.Com's Answer #92858 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! W=L-15 \n" ); document.write( "2L+2W=210 \n" ); document.write( "2L+2(L-15)=210 \n" ); document.write( "2L+2L-30=120 \n" ); document.write( "4L=210+30 \n" ); document.write( "4L=240 \n" ); document.write( "4L=240/4 \n" ); document.write( "L=60 FOR THE LENGTH. \n" ); document.write( "W=60-15 \n" ); document.write( "W=45 FOR THE LENGTH. \n" ); document.write( "PROOF: 2*60+2*45=210 \n" ); document.write( "120+90=210 \n" ); document.write( "210=210 \n" ); document.write( " \n" ); document.write( " |