document.write( "Question 346638: The width of a rectangle is 9 cm shorter than its length. The peremeter of the rectangle is 40 cm. What are the longth and with of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #247844 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Do it like this one: \n" ); document.write( "---------------------- \n" ); document.write( "The length of a rectangle is 10 cm longer than its width. The perimeter of the rectangle is 68 cm. What are the length and width of the rectangle? \n" ); document.write( "------- \n" ); document.write( "Perimeter = 2W + 2L = 68 \n" ); document.write( "W + L = 34 \n" ); document.write( "L = W + 10 \n" ); document.write( "Sub for L in the 1st eqn \n" ); document.write( "W + (W+10) = 34 \n" ); document.write( "2W + 10 = 34 \n" ); document.write( "W = 12 cm \n" ); document.write( "L = 22 cm \n" ); document.write( " \n" ); document.write( " |