document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143987>Question 143987</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321373871/algebrahomeworkh>Elementary and intermediat algebra cenept and application</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A lawyer bills her clients $250 per hour of service. If a client's case requires 47 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax). \r<BR>\n" );
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document.write( "2. A new virus is released on the internet; the administrator of a department's Local Area Network ( LAN) is given five minutes by a manager to estimate the impact. The administrator 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 117 PCs connected to the LAN. \r<BR>\n" );
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document.write( "3. An administrator of a popular web site is told that a new server can handle 11,000 \"hits\" (users accessing the site) per second. The web site currently experiences a peak demand of about 85,000 hits per second; but every month, the peak demand increases by 3500 hits per second. Use a proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 18 months. \r<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 #104855 by </B><A HREF=/tutors/aboutme.mpl?userid=mickeydollys04><B>mickeydollys04(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mickeydollys04><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=104855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. $250/ 1 hour = $x/ 47 hours           250* 47= x= $11,750<BR>\n" );
document.write( "2.X PCs infected/117 PCs=  7PCs infected/ 12 infected  117*7= x = 819<BR>\n" );
document.write( "3.85,000 hits + 3500 * 18= 85000 + 63000= 148000 per second<BR>\n" );
document.write( "X servers/ 148000 hits   1 server/ 11000<BR>\n" );
document.write( "148000/11000= x = 13.45 so the administrator will need 14 new servers.<BR>\n" );
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