document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=581786>Question 581786</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many years will it take an investment to triple itself if the interest rate is 9% compounded annually? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #371806 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=371806\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Principal P =	100									<BR>\n" );
document.write( "Amount=	300									<BR>\n" );
document.write( "years=n										<BR>\n" );
document.write( "compounded (t)	1									<BR>\n" );
document.write( "Rate =	9									<BR>\n" );
document.write( "n = ln(FV / PV) / ln(1 + r)										<BR>\n" );
document.write( "										<BR>\n" );
document.write( "n=(ln(	300/100	)/ln(1+0.09)<BR>\n" );
document.write( "n=(1.1)/ln1.09						<BR>\n" );
document.write( "n=(	1.1	/	0.09							<BR>\n" );
document.write( "n=  	12.75	years								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );