document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169677>Question 1169677</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem\r<BR>\n" );
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document.write( "A researcher is investigating a specimen of bacteria. She finds that the 1000 bacteria grew o 2,048,000 in 60 hours. How fast does the bacteria (a) double? (b) quadruple? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794473 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=794473\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "Notice that  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2048000%2F1000 ALIGN=MIDDLE  ALT=\"2048000%2F1000\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2048 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5E11 ALIGN=MIDDLE  ALT=\"2%5E11\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r\n" );
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document.write( "It means that 60 hours = 11 doubling periods.\r\n" );
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document.write( "Hence, one doubling period is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2F11 ALIGN=MIDDLE  ALT=\"60%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F11 ALIGN=MIDDLE  ALT=\"5%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >  hours.\r\n" );
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document.write( "And a quadruple period is twice of it, i.e.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2F11 ALIGN=MIDDLE  ALT=\"120%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours = 10 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F11 ALIGN=MIDDLE  ALT=\"10%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours.\r\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "See the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/logarithm/Radioactive-decay-problems.lesson>Radioactive decay problems</A> \r<BR>\n" );
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document.write( "in this site - - - to make your horizon &nbsp;&nbsp;W I D E R.\r<BR>\n" );
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document.write( "Also, &nbsp;you have this free of charge online textbook in ALGEBRA-I in this site\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.\r<BR>\n" );
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document.write( "The referred lesson is the part of this online textbook under the topic \"<U>Logarithms</U>\".\r<BR>\n" );
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document.write( "Save the link to this online textbook together with its description\r<BR>\n" );
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document.write( "Free of charge online textbook in ALGEBRA-I<BR>\n" );
document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r<BR>\n" );
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document.write( "to your archive and use it when it is needed.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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