document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1167671>Question 1167671</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A caterer charges $120 to cater a party for 15 people and $200 for 25 people. Assume the cost, y,  is a linear function of the number of x people.  write an equation in slope intercept form for this function. what does the slope represent? how much would a party for 40 people cost? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792262 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (15, $120) and (25, $200)<BR>\n" );
document.write( "slope is $8 and the cost per person<BR>\n" );
document.write( "point-slope is y-y1=m(x-x1) where (x1, y1) is a point<BR>\n" );
document.write( "y-120-8(x-15)<BR>\n" );
document.write( "y=8x<BR>\n" );
document.write( "for 40 people it would be $320. </SPAN>\n" );
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