document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002921>Question 1002921</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the formula N=Ie^kt where n is the number of organisms in terms of initial population 'I' at t and k is the growth constant equal to the percent of growth per unit of time . How long will it take for the population of a certain country to double, is its annua growth rate is 8.3%. Round to the nearest year. t=_________. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619771 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=619771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "N = I e^kt<BR>\n" );
document.write( "k = 8.3% = 0.083<BR>\n" );
document.write( "Make N = 2<BR>\n" );
document.write( "I = 1<BR>\n" );
document.write( "2 = I e^0.083t<BR>\n" );
document.write( "2/1 = e^0.083t<BR>\n" );
document.write( "2 = e^0.083t<BR>\n" );
document.write( "ln2 = 0.083t lne (lne = 1)<BR>\n" );
document.write( "t = ln2/0.083<BR>\n" );
document.write( "t = 8.35 years<BR>\n" );
document.write( "t = 8 years.<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );