document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=265215>Question 265215</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number of people infected after t days is P=200+5t-t^2. Find the number of days until the number of people infected is 150.\r<BR>\n" );
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document.write( "Any help would be really appreciated. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195048 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=195048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P=200+5t-t^2<BR>\n" );
document.write( "150=-t^2+5t+200<BR>\n" );
document.write( "t^2-5t-200+150=0<BR>\n" );
document.write( "t^2-5t-50=0<BR>\n" );
document.write( "(t-10)(x+5)=0<BR>\n" );
document.write( "t-10=0<BR>\n" );
document.write( "t=10 days it will take for 150 people to be infected. </SPAN>\n" );
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