document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=379322>Question 379322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How long does it take money to quadruple if it is invested at 10% compounded continously? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #269322 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=269322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4P+=+Pe%5E%280.10t%29 ALIGN=MIDDLE  ALT=\"4P+=+Pe%5E%280.10t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+=+e%5E%280.10t%29 ALIGN=MIDDLE  ALT=\"4+=+e%5E%280.10t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Taking ln of both sides, ln4 = 0.10t, or t = ln4/0.10 = 13.86 years. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );