document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253735>Question 253735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a research biologist began to grow a culture in which the number of bacteria doubled every day. three days later, she began a second culture in a richer medium so that the number of bacteria increased fourfold everyday. If each culture was begun with the same number of bacteria present, how many days after starting the second culture with the number of bacteria in the two cultures be equal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186062 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186062\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> first day<BR>\n" );
document.write( "c<BR>\n" );
document.write( "second day<BR>\n" );
document.write( "c+c=2c<BR>\n" );
document.write( "third day<BR>\n" );
document.write( "2c+2c=4c C<BR>\n" );
document.write( "fourth day<BR>\n" );
document.write( "4c+4c=8c 4C<BR>\n" );
document.write( "fifth day<BR>\n" );
document.write( "8c+8c=16c 16C<BR>\n" );
document.write( "same end of fifth day of cultures or third day of second culture<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );