document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203297>Question 203297</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A new virus is released on the internet: the adminstrator of a department's Local Area Network (LAN) is given five minutes by a manager to estimate the impact.  The adminstrator samples 12 of the PCs connected to the LAN and finds that 7 are infected.  Use proportion to estimate the number of infected PCs if there are a total of 216 PCs connected to the LAN.     </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153371 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=153371\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can set up the proportion as follows:<BR>\n" );
document.write( "(7 PCs infected)/(12 PCs connected) = (x PCs infected)/(216 PCs connected) or...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F12+=+x%2F216 ALIGN=MIDDLE  ALT=\"7%2F12+=+x%2F216\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 216.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+7%28216%29%2F12 ALIGN=MIDDLE  ALT=\"x+=+7%28216%29%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x+=+126%29 ALIGN=MIDDLE  ALT=\"highlight%28x+=+126%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > This is the estimated number of infected PCs. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );