How you would use repeated subtraction to find 8 divided by 2 math

The solution set for 5v2 – 125 = 0 is

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.

Which system of linear inequalities is represented by the graph?