Jayne has a home-based business putting on children’s parties. She charges $60 to design the party and then $10.00 per child. Write a function rule that relates the total cost of the party to the number of children n. f(n) = 10n – 55

f(n) = 10 – 55n

f(n) = 10 + 60n

f(n) = 60 + 10n