document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422281>Question 422281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to solve when a man knows he has lost 12.4 percent of his weight, and now weighs 249.6.  What was his starting weight?  \r<BR>\n" );
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document.write( "I was thinking something like \r<BR>\n" );
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document.write( "12.4     249.6<BR>\n" );
document.write( "_____ =  _____<BR>\n" );
document.write( "100        x\r<BR>\n" );
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document.write( "Can't recall how to do this. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853214 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13258)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=853214\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "You need to think more carefully about the equation you are writing to solve the problem.<br><BR>\n" );
document.write( "You write the following:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12.4%2F100=249.6%2Fx ALIGN=MIDDLE  ALT=\"12.4%2F100=249.6%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The \"249.6/x\" on the right is supposed to represent the fraction of his weight that he still has after losing some weight.<br><BR>\n" );
document.write( "But the \"12.4/100\" on the left does not represent the fraction of his weight that remains -- it represents the fraction of his weight <b>THAT HE LOST</b>.<br><BR>\n" );
document.write( "If he lost 12.4% of his weight, the fraction of his weight that remains is 100-12.4 = 87.6%.  So your equation is...<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=87.6%2F100=249.6%2Fx ALIGN=MIDDLE  ALT=\"87.6%2F100=249.6%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Then...<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24960=87.6x ALIGN=MIDDLE  ALT=\"24960=87.6x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=24960%2F87.6 ALIGN=MIDDLE  ALT=\"x=24960%2F87.6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 284.9 (approximately)<br><BR>\n" );
document.write( "ANSWER: approximately 284.9 pounds<br><BR>\n" );
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