document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=257693>Question 257693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the caterer's fixed cost and the cost per student served if the cost for 100 students will be 750 and the cost for 150 students will be 1050 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189566 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=189566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Think of nunber of students as x and the total cost=y<BR>\n" );
document.write( "fixed cost =b and cost per student =m<BR>\n" );
document.write( "y=mx+b<BR>\n" );
document.write( "So to write the equation we first find m the slope  (cost per student)<BR>\n" );
document.write( "and then find b the fixed cost<BR>\n" );
document.write( "(y-y)/(x-x)=m<BR>\n" );
document.write( "1050-750/150-100=m<BR>\n" );
document.write( "300/50=6=m=cost per student<BR>\n" );
document.write( "y=mx+b<BR>\n" );
document.write( "1050=6*150+b<BR>\n" );
document.write( "150=b<BR>\n" );
document.write( "y=6x+150<BR>\n" );
document.write( "150 is the fixed cost </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );