document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756787>Question 756787</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve for r :<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%282%29=+2500%2F+%281%2B%2821.73%29e%5E%28-2r%29%29 ALIGN=MIDDLE  ALT=\"P%282%29=+2500%2F+%281%2B%2821.73%29e%5E%28-2r%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463874 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=463874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Without the value of P(2) we can only say...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28-2r%29=+%282500%2FP%282%29-1%29%2F21.73+ ALIGN=MIDDLE  ALT=\"e%5E%28-2r%29=+%282500%2FP%282%29-1%29%2F21.73+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%28e%5E%28-2r%29%29=+ln%28%282500%2FP%282%29-1%29%2F21.73%29+ ALIGN=MIDDLE  ALT=\"ln%28e%5E%28-2r%29%29=+ln%28%282500%2FP%282%29-1%29%2F21.73%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=+%28-1%2F2%29ln%28%282500%2FP%282%29-1%29%2F21.73%29+ ALIGN=MIDDLE  ALT=\"r=+%28-1%2F2%29ln%28%282500%2FP%282%29-1%29%2F21.73%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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