document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621881>Question 621881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bacteria triples its population in 30 minutes. At this rate how many bacteria will there be in 2 hours if there are 500 now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #391025 by </B><A HREF=/tutors/aboutme.mpl?userid=dragonwalker><B>dragonwalker(73)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dragonwalker><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=391025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> As the time it takes to triple is 30 minutes, how many times will this happen in 2 hours? <BR>\n" );
document.write( "2 hours = 2 x 60 = 120 minutes\r<BR>\n" );
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document.write( "so 120/30 = 4\r<BR>\n" );
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document.write( "So the bacteria will triple four times in 2 hours.\r<BR>\n" );
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document.write( "3x500 + 3(3x500) + 3(3x3x500) + 3(3x3x3x500) = 1500 + 4500 + 13500 + 40500<BR>\n" );
document.write( "= 60000 </SPAN>\n" );
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