SOLUTION:
A caterer's total cost for catering a party includes a fixed cost, which is the same for every party. In addition the caterer charges a certain amouth for each guests. If it cos
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A caterer's total cost for catering a party includes a fixed cost, which is the same for every party. In addition the caterer charges a certain amouth for each guests. If it costs $300 to serve 25 guests and $240 to serve 40 guests, find the fixed cost and the cost per guest
This question is from textbook
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
The cost for an extra 15 guests is $60 less than for 25 people.
The cost per person for those guests must therefore be -$4 per person.
The amount charged for the 40 guests would be -$160 so the fixed cost would be $400.
Check 25 people @ -$4 =-$100 Add on a fixed cost of $400 gives a total cost of $300.
Check 40 people @ -$4 =-$160 Add on a fixed cost of $400 gives a total cost of $240.
This of course does not make sense for a greater number of people to result in a smaller cost so the original problem posted on this site seems to have an error in it.
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