document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647272>Question 647272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve for t using natural logarithms.<BR>\n" );
document.write( "4e^9t=7e^8t </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406091 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=406091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve for t using natural logarithms.<BR>\n" );
document.write( "4e^9t=7e^8t<BR>\n" );
document.write( "ln4+9t*lne=ln7+8t*lne<BR>\n" );
document.write( "lne=1 (log of base=1)<BR>\n" );
document.write( "ln4+9t=ln7+8t<BR>\n" );
document.write( "t=ln7-ln4<BR>\n" );
document.write( "t&#8776;0.5596 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );