document.write( "Question 863780: The length of a rectangle is 5 times its width, and the area of the rectangle is 20 square feet. Find the dimension.
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Algebra.Com's Answer #520599 by josgarithmetic(39617)\"\" \"About 
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The length of a rectangle is k times its width, and the area of the rectangle is A square feet. Find the dimensions.\r
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\n" ); document.write( "\n" ); document.write( "Let w= width
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\n" ); document.write( "\n" ); document.write( "\"w%2Akw=A\"
\n" ); document.write( "\"kw%5E2=A\"
\n" ); document.write( "\"w%5E2=A%2Fk\"
\n" ); document.write( "\"w=sqrt%28A%2Fk%29\"
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\n" ); document.write( "The dimensions are width = \"highlight%28k%2Asqrt%28A%2Fk%29%29\" and length \"highlight%28%28k%5E2%29%2Asqrt%28A%2Fk%29%29\".\r
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\n" ); document.write( "\n" ); document.write( "Your example uses k=5 and A=20.
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