document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=780126>Question 780126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A poster advertising a student election candidate is too large according to the election rules. The candidate is told she must reduce the length and width of the poster by 20%. By what percentage must the area of the poster be reduced?\r<BR>\n" );
document.write( "\n" );
document.write( "The answer is 36%, I just do not know how to get there.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #475478 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10556)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=475478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "A poster advertising a student election candidate is too large according to the election rules. The candidate is told she must reduce the length and width of the poster by 20%. By what percentage must the area of the poster be reduced?\r<BR>\n" );
document.write( "\n" );
document.write( "The answer is 36%, I just do not know how to get there. \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let the length and width of the \"too large\" poster be L and W, respectively\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Then its area = LW\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Reducing its length, or L by 20% makes it 80% of its original length, or .8L\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Reducing its width, or W by 20% makes it 80% of its original width, or .8W\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "New area with new, reduced length and width = .8L * .8W, or .64LW\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "It's obvious that the original area (LW) has been reduced to .64LW, which is a difference of LW - .64LW, or .36LW, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2836%29 ALIGN=MIDDLE  ALT=\"highlight_green%2836%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >% of LW (area). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );