An athlete runs 8 miles in 50 minutes on a treadmill. at this rate how far can the athlete run in 1 hour

The athlete would run 9.6 miles in 1 hour because if you convert 1 hour into minutes you get 60 minutes and if you put it as a proportion 8/50 equals x/60 solve for x and 60 * 8 equals 480 and 480 divided by 50 equals 9.6

Then why is the question on here if you know the answer