document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1062474>Question 1062474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The area of a square is decreased by 80%. By what percent did the perimeter decrease? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #677388 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=677388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The area of a square is decreased by 80%. By what percent did the perimeter decrease?<BR>\n" );
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document.write( "After decrease area = 0.2 of the original.<BR>\n" );
document.write( "Area After/Area Before = 0.2<BR>\n" );
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document.write( "Area = s^2<BR>\n" );
document.write( "After s^2/Before s^2 = 0.2<BR>\n" );
document.write( "After s/Before x = sqrt(0.2) =~ 0.447 = 44/7%<BR>\n" );
document.write( "Side Decrease = 100 - 44.7 = 55.3%<BR>\n" );
document.write( "Perimeter decrease = 55.3%\r<BR>\n" );
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