document.write( "Question 847157: Express the area A of a rectangle as a function of the length x if the length is three times the width of the rectangle. \r
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Algebra.Com's Answer #510279 by swincher4391(1107)\"\" \"About 
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L = x W = x/3\r
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\n" ); document.write( "\n" ); document.write( "A = LW = x^2 / 3
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