document.write( "Question 262689: Each side of a rectangle is increased by 100% .By what percentage does the area increase? \n" ); document.write( "
Algebra.Com's Answer #193493 by mananth(16946)\"\" \"About 
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Each side of a rectangle is increased by 100% .By what percentage does the area increase? \r
\n" ); document.write( "\n" ); document.write( "Let length be x & and width be y
\n" ); document.write( "Area = xy
\n" ); document.write( "Increase in 100% means the length doubles
\n" ); document.write( "2x * 2y
\n" ); document.write( "4xy\r
\n" ); document.write( "\n" ); document.write( "4xy/xy * 100 = 400%\r
\n" ); document.write( "\n" ); document.write( "mananth@hotmail.com
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