document.write( "Question 1107828: the width of a rectangle is equal to 3/7 its length. the length of the rectangle is 21 inches? what us the perimeter of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #722851 by Alan3354(69443)\"\" \"About 
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the width of a rectangle is equal to 3/7 its length. the length of the rectangle is 21 inches? what us the perimeter of the rectangle?
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\n" ); document.write( "Step 1, find the width, W
\n" ); document.write( "Step 2, P = 2W + 2L
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