document.write( "Question 1106876: the length of a rectangle is twice its width. the perimeter is 90 cm what is the area of the rectangle
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Algebra.Com's Answer #721862 by stanbon(75887)\"\" \"About 
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the length of a rectangle is twice its width. the perimeter is 90 cm what is the area of the rectangle
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\n" ); document.write( "Equations:
\n" ); document.write( "L = 2*W
\n" ); document.write( "2(L+W) = 90
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\n" ); document.write( "L = 2*W
\n" ); document.write( "L + W = 45
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\n" ); document.write( "Substitute for \"L\" and solve for \"W\"::
\n" ); document.write( "2W + W = 45
\n" ); document.write( "3W = 45
\n" ); document.write( "Width = 15 cm
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\n" ); document.write( "L = 2*W = 30 cm
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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