document.write( "Question 694017: A rectangle has length twice its width. If the perimeter is 72, find the length. \n" ); document.write( "
Algebra.Com's Answer #427686 by JBarnum(2146)\"\" \"About 
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Perimeter of a rectangle is 2L+2W=P
\n" ); document.write( "if L=2W and P=72 then \"2%282W%29%2B2W=72\"
\n" ); document.write( "\"6W=72\"
\n" ); document.write( "\"W=12\"
\n" ); document.write( "\"L=24\"
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