document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=583965>Question 583965</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how long will it take for an investment to double if it earns 6.25% interest per year compounded quarterly? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #372642 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=372642\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Principal P =	100									<BR>\n" );
document.write( "Amount=	200									<BR>\n" );
document.write( "n= number of periods										<BR>\n" );
document.write( "compounded (q)	4									<BR>\n" );
document.write( "Rate =	6.25									<BR>\n" );
document.write( "n = ln(FV / PV) / ln(1 + r/q)										<BR>\n" );
document.write( "										<BR>\n" );
document.write( "n=(	ln	(	200	/	100	)/ln(	1	+	0.02	)<BR>\n" );
document.write( "n=(	0.69	)/	ln	1.02						<BR>\n" );
document.write( "n=(	0.69	/	0.02	)  						<BR>\n" );
document.write( "n=  	44.71	quarters<BR>\n" );
document.write( "divide by 4								<BR>\n" );
document.write( "	11.18	years								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );