document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871377>Question 871377</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How long will it take for $1,600 to double if it is invested at 11% annual interest compounded 4 times a year? Enter in exact calculations or round to 3 decimal places.<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 #525518 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=525518\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Principal P =	1600									<BR>\n" );
document.write( "Amount=	3200									<BR>\n" );
document.write( "n= number of periods	1									<BR>\n" );
document.write( "compounded (t)	4									<BR>\n" );
document.write( "Rate =	11				0.11					<BR>\n" );
document.write( "n = ln(FV / PV) / ln(1 + r)		(r/q))								<BR>\n" );
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document.write( "n=(	ln	(	3200	/	1600	)/ln(	1	+	0.03	)<BR>\n" );
document.write( "n=(	0.69	)/	ln	1.03						<BR>\n" );
document.write( "n=(	0.69	/	0.03	)  						<BR>\n" );
document.write( "n=  	25.55	quarters								<BR>\n" );
document.write( "	6.39	years								<BR>\n" );
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