document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=920347>Question 920347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Carrie the Caterer's total cost for catering a party includes a fixed cost, which is the same for every party. In addition the Carrie charges a certain amount for each guest. If it costs $300 to serve 25 guests and $420 to serve 40 guests, find the fixed cost and the cost per guest.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558378 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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/cgi-bin/show-face.mpl?user=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=558378\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (40,420)<BR>\n" );
document.write( "(25,300) m =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29 ALIGN=MIDDLE  ALT=\"%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 120/15 = 8<BR>\n" );
document.write( "***Using point-slope form, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+-+y%5B1%5D+=+m%28x+-+x%5B1%5D%29 ALIGN=MIDDLE  ALT=\"y+-+y%5B1%5D+=+m%28x+-+x%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >P(25,300)<BR>\n" );
document.write( "y- 300 = 8(x-25)<BR>\n" );
document.write( "y = 8x + 200<BR>\n" );
document.write( "fixed cost: $200<BR>\n" );
document.write( "cost per guest: $8 </SPAN>\n" );
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