Rollers Bowling charges families a group rate of $12.50 for shoes plus an additional $4.75 for each game a family member plays. The Jones family's total bill was $69.50. How many total games did the Jones family pay for?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.