Does anyone know what these 2 problems are? the answer is on the bottom. : )

Solve for x, y, and z. show all steps.

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.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?