document.write( "Question 495733: Suppose that the length of a rectangle is three cm longer than twice the width and that the perimeter of the rectangle is 90 cm. How would I set up an equation for the perimeter involving only W? \n" ); document.write( "
Algebra.Com's Answer #336453 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! W = x \n" ); document.write( "L = 2W\r \n" ); document.write( "\n" ); document.write( "P = 2w + 4w = 90 *This is the equation you are looking for. \n" ); document.write( "6w = 90 \n" ); document.write( "w = 15 cm \n" ); document.write( "l = 30 cm\r \n" ); document.write( "\n" ); document.write( "2(15) = 30 \n" ); document.write( "2(30) = 60 \n" ); document.write( "30 + 60 = 90 cm \n" ); document.write( "This does check, \n" ); document.write( "Cleomenius. \n" ); document.write( " \n" ); document.write( " |