document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969364>Question 969364</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write \"t\" as a function of \"Q\"\r<BR>\n" );
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document.write( "Q(t) = Qo ( 1-e^-t/a) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592260 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=592260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write \"t\" as a function of \"Q\"<BR>\n" );
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document.write( "Q(t) = Qo ( 1-e^-t/a)<BR>\n" );
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document.write( "(1 - e^(-t/a)) = Q(t)/Qo<BR>\n" );
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document.write( "e^(-t/a) = 1-[Q(t)/Qo]<BR>\n" );
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document.write( "-t/a = ln[1-Q(t)/Qo ]<BR>\n" );
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document.write( "t = -a*ln[1-Q(t)/Qo]<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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