document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=706474>Question 706474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have been trying to figure this out on my own but it just isnt making any sense. Please help me solve this.<BR>\n" );
document.write( "The cost of having a luncheon catered at McKenzie Place depends n the number of meals served plus a fixed fee to rent the dining room. The cost for 20 meals is $170 and the cost of 60 meals is $310.<BR>\n" );
document.write( "a) find the cost per meal<BR>\n" );
document.write( "b) find the cost to rent the dining room<BR>\n" );
document.write( "c) write an equation for the total cost of the luncheon in the form y=mx+b\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 #435194 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=435194\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cost of having a luncheon catered at McKenzie Place depends n the number of meals served plus a fixed fee to rent the dining room. The cost for 20 meals is $170 and the cost of 60 meals is $310.<BR>\n" );
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document.write( "You are given information for 2 points relating # of meals and cost:<BR>\n" );
document.write( "(20,170) and (60,310)<BR>\n" );
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document.write( "slope = (310-170)/(60-20) = 40/40 = 1<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "Solve for \"b\":<BR>\n" );
document.write( "170 = 1*20 + b<BR>\n" );
document.write( "b = 150<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = x + 150<BR>\n" );
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document.write( "a) find the cost per meal<BR>\n" );
document.write( "When x increases by 1 meal, cost increases by $1.00<BR>\n" );
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document.write( "b) find the cost to rent the dining room<BR>\n" );
document.write( "0 meals costs $150.00 (that is the cost of the dining room)<BR>\n" );
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document.write( "c) write an equation for the total cost of the luncheon in the form y=mx+b<BR>\n" );
document.write( "y = x + 150<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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