document.write( "Question 143591: the lenght of a rectangle is 4 feet less than twice the width. the perimeter is 28 feet. find the length and width fo the rectangle. \n" ); document.write( "
Algebra.Com's Answer #104522 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! Perimeter is the sum of all the sides.\r \n" ); document.write( "\n" ); document.write( "Let w be the width. \n" ); document.write( "L = 2w-4\r \n" ); document.write( "\n" ); document.write( "P = w + l + w + l \n" ); document.write( "28 = w + 2w -4 + w + 2w -4 \n" ); document.write( "28 = 6w - 8 \n" ); document.write( "36 = 6w \n" ); document.write( "6 = w\r \n" ); document.write( "\n" ); document.write( "l = 12 - 4 \n" ); document.write( "l = 8\r \n" ); document.write( "\n" ); document.write( "Does that work? \n" ); document.write( "28 = 12 + 16 check! \n" ); document.write( " |