document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=81026>Question 81026</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bacterial culture grows according to the formula P=Poa^t. If it takes 5 days for the culture to triple in size, how long did it take to double? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58133 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=58133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if a^5=3, then taking the fifth root of both sides gives a=3^(1/5) ... so if a^x=2 ... (3^(1/5))^x=2\r<BR>\n" );
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document.write( "3^(x/5)=3^(log2/log3) ... x/5=log2/log3 ... x=5log2/log3 ... x is approximately 3.15 </SPAN>\n" );
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