document.write( "Question 982913: The length of a rectangle is 20 inches, and the width is four less than the length. Find the area of the rectangle.
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Algebra.Com's Answer #603726 by Timnewman(323)\"\" \"About 
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Let L and w be the lenght and the width of the rectangle respectively.
\n" ); document.write( " If L=20 ---(1)
\n" ); document.write( " w=L-4---(2)
\n" ); document.write( "put equ (1) in equ (2)
\n" ); document.write( "w=20-4
\n" ); document.write( "w=16
\n" ); document.write( "Then,Area (A)=L*w
\n" ); document.write( " A=20*16
\n" ); document.write( " A=320sqrt inch
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