document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150439>Question 150439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ok, here is a real life equation that I need to solve for a calulation I'm doing at work. I need to solve for x in the following equation:\r<BR>\n" );
document.write( "\n" );
document.write( "A = B * (1+i)^x + C * (1+j)^x\r<BR>\n" );
document.write( "\n" );
document.write( "where i and j are interest rates and A, B and C are dollar amounts. In story problem language the problem is: How long will it take for Fund B and Fund C combined take to grow to amount A given that Fund B is growing at i% and Fund C is growing at j%? I know I can't just multiply both sides by ln in this equation and have it work, so I'm not sure what to do with it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110386 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=110386\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use a graphing calculator.<BR>\n" );
document.write( "Let Y1=A<BR>\n" );
document.write( "Let Y2 = the right side of your equation for specific i and j values.<BR>\n" );
document.write( "Find the x-value of the intersection point of the two graphs.<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );