document.write( "Question 1020322: The width of a rectangle measures 3 kilometers its length is three times its width. What is its perimeter? l \n" ); document.write( "
Algebra.Com's Answer #636229 by fractalier(6550)\"\" \"About 
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If the width is 3 km, and the length is three times that, the length must be 9 km.
\n" ); document.write( "Perimeter P is found via P = 2L + 2W...here that is
\n" ); document.write( "P = 2(9) + 2(3) = 18 + 6 = 24 km
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