it takes seymore, a slimy slug, 20 minutes to travel from his favorite bush to the local trash(a distance of 30 meters), how far can he travel in 1 hour

In 1 hour, Seymour can travel for a total of 60 minutes. If it takes him 20 minutes to travel 30 meters, in 1 hour he can travel:

(60 minutes / 20 minutes) * 30 meters = 3 * 30 meters = 90 meters

Therefore, in 1 hour, Seymour can travel a distance of 90 meters.