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The Johnson family is preparing to vacation at a famous amusement park. The park offers a family ticket discount package for an unlimited number of rides and will charge an entry fee for each person in the family. The equation below represents the cost per person, c of x, as a function of the number of people in the family, x.

c of x = 120 over x. + 7.5

If each person in the Johnson family paid $17.50, how many people were in the family?


Sagot :

Answer: 12 people

Step-by-step explanation:

insert 12 where the "x" is and type in the full equation into a calculator, and you will get 17.5