Cheryl drove 4 hours at a constant rate to travel 160 miles. at what rate did she drive? a. 20 mph b. 35 mph c. 40 mph d. 72 mph

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.