You are organizing your high school's sports banquet. The banquet hall rental is $350. In addition to this one-time charge, the meal will cost $8.50 per plate. Let xrepresent the
number of people who attend.
14. Write an equation that represents the total cost C.
15. Write an equation that represents the average cost A per person.
Average cost
per person
A
70
60
50
40
16. Graph the model in Exercise 14.
30
20
10
0
0 10 20 30 40 50 60 70 x
Number of people
in attendance