Afamily spends 1/10 of its annual income for housing 1/4 for food and clothing 1/5 for general expenses and 215's for entertainment what fractional part of their income is spent on these items together

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.