document.write( "Question 264669: write an expression for the perimeter of a rectangle whose length is 3 times its width \n" ); document.write( "

Algebra.Com's Answer #194817 by JBarnum(2146) $\"\"$ $\"About$

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W=width L=length P=perimeter
\n" ); document.write( "with use of the rectangle perimeter formula: P=2W+2L
\n" ); document.write( "If L=3W then
\n" ); document.write( " $\"P=2W%2B2%283W%29\"$
\n" ); document.write( " $\"P=2W%2B6W\"$
\n" ); document.write( " $\"P=8W%29\"$ \n" ); document.write( "

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