document.write( "Question 719055: the length of a rectangle is 100ft. its area is twice the perimeter. How wide is the rectangle? \n" ); document.write( "
Algebra.Com's Answer #441170 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! the length of a rectangle is 100ft. its area is twice the perimeter. How wide is the rectangle? \n" ); document.write( "*** \n" ); document.write( "let x=width of the rectangle \n" ); document.write( "perimeter=2*length+2*width=200+2x \n" ); document.write( "Area=length*width=100x \n" ); document.write( "area=2*perimeter \n" ); document.write( "100x=2(200+2x) \n" ); document.write( "100x=400+4x \n" ); document.write( "96x=400 \n" ); document.write( "x=400/96≈4.17 \n" ); document.write( "How wide is the rectangle? 4.17 ft \n" ); document.write( " |