Asked by adit
A catering fi rm charges a fi xed cost for overheads and a price per person. It is known
that a party for 20 people costs $557, whereas a party for 35 people costs $909.50.
What is the fixed cost and the cost per person charged by the company?
that a party for 20 people costs $557, whereas a party for 35 people costs $909.50.
What is the fixed cost and the cost per person charged by the company?
Answers
Answered by
Reiny
pretend you are given two points (20,557) and (35,909.5)
and your equation is
y = mx + b, where y is the cost , m is the price per person, and b is the fixed overhead.
sub in the two points and you have two equations in two unknowns.
Carry on from there.
and your equation is
y = mx + b, where y is the cost , m is the price per person, and b is the fixed overhead.
sub in the two points and you have two equations in two unknowns.
Carry on from there.
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