document.write( "Question 178183: The length of a rectangle is twice its width. Find its length if the perimeter is 84 feet. \n" ); document.write( "
Algebra.Com's Answer #133143 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! P=2L+2W.....we are given P=84 and L=2W....lets plug em in \n" ); document.write( ": \n" ); document.write( "84=2(2W)+2W \n" ); document.write( ": \n" ); document.write( "84=4W+2W \n" ); document.write( ": \n" ); document.write( "84=6W \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " |