document.write( "Question 103359: The length of a rectangular playing field is 5 ft less than twice its width. If the perimeter of the playing field is 230 ft, find the length and width of the field. \n" ); document.write( "
Algebra.Com's Answer #75173 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-5 IS THE LENGTH \n" ); document.write( "W=WIDTH \n" ); document.write( "2(2W-5)+2W=230 \n" ); document.write( "4W-10+2W=230 \n" ); document.write( "6W=230+10 \n" ); document.write( "6W=240 \n" ); document.write( "W=240/6 \n" ); document.write( "W=40 FT. IS THE WIDTH. \n" ); document.write( "L=2*40-5=80-5=75 FOR THE LENGTH. \n" ); document.write( "PROOF \n" ); document.write( "2*75+2*40=230 \n" ); document.write( "150+80=230 \n" ); document.write( "230=230 \n" ); document.write( " |