statistics question referecing minutes

Question

The lengths of a professor's classes has a continuous uniform distribution between 49.2 min and 55.5 min. One class is randomly selected.

If P(x > c) = 0.599 , find c.

c =  minutes

(Report answer accurate to 4 decimal places.)

Answer 1

P(x > c) = 0.599 , find c

(55.5-c)/(55.5-49.2) = 0.599

(55.5-c)/6.3 = 0.599

c = 51.73