document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149927>Question 149927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A culture of yeast doubles in size every 20 minutes. The size of the culture is now N0. Find its size in 12 hours.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110030 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=110030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A culture of yeast doubles in size every 20 minutes. The size of the culture is now No. Find its size in 12 hours.<BR>\n" );
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document.write( "Let t be number of hours.<BR>\n" );
document.write( "A(t) = No*(2)^(60t/20)<BR>\n" );
document.write( "A(t) = No*2^(3t)<BR>\n" );
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document.write( "A(12) = No*2^(36)<BR>\n" );
document.write( "A(12) = 6.8719...x 10^10 No\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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