document.write( "Question 509372: The length of a rectangle is 6yd. longer than its width.
\n" ); document.write( "If the perimeter of the rectangle is 48yd , find its area.
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #341405 by swincher4391(1107)\"\" \"About 
You can put this solution on YOUR website!
P = 2l + 2w\r
\n" ); document.write( "\n" ); document.write( "l = w+6 Since the length of the rectangle is 6yd longer than its width\r
\n" ); document.write( "\n" ); document.write( "48 = 2(w+6) + 2w\r
\n" ); document.write( "\n" ); document.write( "48 = 2w + 12 + 2w\r
\n" ); document.write( "\n" ); document.write( "48 = 4w + 12\r
\n" ); document.write( "\n" ); document.write( "36 = 4w\r
\n" ); document.write( "\n" ); document.write( "w = 9\r
\n" ); document.write( "\n" ); document.write( "Sub w = 9 back in to either equation\r
\n" ); document.write( "\n" ); document.write( "l = 9 + 6\r
\n" ); document.write( "\n" ); document.write( "l = 15\r
\n" ); document.write( "\n" ); document.write( "The dimensions are 15x9.\r
\n" ); document.write( "\n" ); document.write( "The area then is 15*9 = 135 yd^2\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );