document.write( "Question 1186036: The sides of a square measure 4 m by 4 m increased by 10%. Find the percent increase in the area.
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Algebra.Com's Answer #816900 by josgarithmetic(39617)\"\" \"About 
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before, \"4%2A4=16\"\r
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\n" ); document.write( "\n" ); document.write( "after, \"%284%29%281.1%29%284%29%281.1%29=4%5E2%2A1.1%5E2=16%2A1.1%5E2=16%2A1.21\"\r
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\n" ); document.write( "\n" ); document.write( "amount increase, \"16%2A1.21-16\"
\n" ); document.write( "\"16%281.21-1%29\"
\n" ); document.write( "\"16%2A%280.21%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%2816%2A0.21%29%2F16=0.21\"\r
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\n" ); document.write( "\n" ); document.write( "21 percent increase in area
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