Answer:
450 yards in 3 minutes.
Explanation:
30/4 = 7.5, which means he runs 7.5 ft per second.
7.5*60 = 450, which means that he runs 450 ft per minute.
450*3 = 1,350, which means that he can run 1,350 ft in 3 minutes.
1 yard = 3 ft
1,350/3 = 450, which means that he can run 450 yards in 3 minutes.