19. At the Gaussland Olympics there are 480 student participants.
Each student is participating in 4 different events.
Each event has 20 students participating and is supervised by 1 adult coach.
There are 16 adult coaches and each coach supervises the same number of events.
How many events does each coach supervise?
(A) 12 (B) 8 (C) 6 (D) 16 (E) 15
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