document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178574>Question 178574</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I hope someone can help me out with this. For the problems I am working on I have been trying to get the right set up for this equation. This is what I am working on:2.	Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $2,500 for setup costs and $3.00 to administer each test. \r<BR>\n" );
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document.write( "For part a I had to write an expression that gives the total cost to test x animals. <BR>\n" );
document.write( "a)c=mx+b<BR>\n" );
document.write( "  c=3.00x+2500\r<BR>\n" );
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document.write( "Part b I to find the average cost per animal by dividing total costs by number of animals. Write the expression that gives the average cost per animal.\r<BR>\n" );
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document.write( "This is what I have so far for this. I am missing something and need to see where I am going wrong. \r<BR>\n" );
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document.write( "a)c=mx+b<BR>\n" );
document.write( "  c=3.00x+2500/x<BR>\n" );
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document.write( "I just need to know if I am writing the expressions correctly or if I need to do the whole expression to get the answer. Any help anyone can give me would be greatly appreciated. <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 #133536 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=133536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note: an expression does NOT have an equals sign\r<BR>\n" );
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document.write( "a) You have the right <i>equation</i>, but they want an <i>expression</i> (ie they do NOT want an equals sign)\r<BR>\n" );
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document.write( "So the <i>expression</i> is 3x+2500\r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "Since the average cost can be found \"by dividing total costs by number of animals\", this means that the average cost is simply:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B2500%29%2Fx ALIGN=MIDDLE  ALT=\"%283x%2B2500%29%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the <i>expression</i> that gives the average cost per animal is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%2B2500%29%2Fx ALIGN=MIDDLE  ALT=\"%283x%2B2500%29%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So it looks like you're on the right track, but forgot that they wanted expressions as answers. </SPAN>\n" );
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