document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762488>Question 762488</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am really having troubles with these word problems.\r<BR>\n" );
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document.write( "an experimental drug is being tested on a bacteria colony. It is found that t days after treating the colony, the number N of bacteria per cubic centimeter is given by the equation N = 20t^2 -220t - 558. How long until the colony is reduced to 1482 bacteria<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464032 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=464032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The question is the same as, what is t when N=1482 ?<BR>\n" );
document.write( "You would have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20t%5E2-220t-558=1482 ALIGN=MIDDLE  ALT=\"20t%5E2-220t-558=1482\"   DISABLED_style= \"max-width:90%; height:auto;\" > and solve for t.<BR>\n" );
document.write( "Simplify the equation a bit:  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20t%5E2-220t-2040=0 ALIGN=MIDDLE  ALT=\"20t%5E2-220t-2040=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2-11t-102=0 ALIGN=MIDDLE  ALT=\"t%5E2-11t-102=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Factorable...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28t-17%29%28t%2B6%29=0%29 ALIGN=MIDDLE  ALT=\"highlight%28%28t-17%29%28t%2B6%29=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and you are interested in only the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=17%29 ALIGN=MIDDLE  ALT=\"highlight%28t=17%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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