document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=482242>Question 482242</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How long will it take for $2000 to double if it is invested at  6.25% interest compounded continuously?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330159 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=330159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How long will it take for $2000 to double if it is invested at 6.25% interest compounded continuously? <BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "A(t) = Ao*e^(rt)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "4000 = 2000*e^(0.0625t)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "e^(0.0625t) = 2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Take the natural log:<BR>\n" );
document.write( "0.0625t = ln(2)<BR>\n" );
document.write( "t = 11.09 years<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "======================= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );