document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=471716>Question 471716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how long does it take $1125 to triple if it is invested at 7% interest, compounded quarterly? round yor answer to the nearest tenth </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #323511 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=323511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how long does it take $1125 to triple if it is invested at 7% interest, compounded quarterly? round yor answer to the nearest tenth<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "3*1125 = 1125(1+(0.07/4))^(4*t)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "0.0175^(4t) = 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(4t)log(1.0175) = log(3)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "4t = 40<BR>\n" );
document.write( "t = 10 years<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );