document.write( "Question 324472: The length of a rectangles is 4cm longer than the width. If the perimeter of the rectangle is 20 centimeters, what is the area of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #232246 by checkley77(12844)\"\" \"About 
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L=W+4
\n" ); document.write( "P=2L+2W
\n" ); document.write( "20=2(W+4)+2W
\n" ); document.write( "20=2W+8+2W
\n" ); document.write( "20=4W+8
\n" ); document.write( "4W=20-8
\n" ); document.write( "4W=12
\n" ); document.write( "W=12/4
\n" ); document.write( "W=3 ANS. FOR THE WIDTH.
\n" ); document.write( "L=3+4=7 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "20=2*3+2*7
\n" ); document.write( "20=6+14
\n" ); document.write( "20=20
\n" ); document.write( "
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