document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46755>Question 46755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the population P of a certain culture is expected to be given by a mdoel P=100e^(rt) where r is a constant to be determined and t is a number of days since the original population of 100 was established.  Find the r value if the population is expected to reach 200 in 3 days.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30980 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30980\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P = 100e^(rt)<BR>\n" );
document.write( "ln(P/100) = rt<BR>\n" );
document.write( "ln(P/100)/t = r<BR>\n" );
document.write( "ln(2)/3 = r = 0.23105 = 23% </SPAN>\n" );
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