Answer: Small Campground: 15 garbage cans
Large Campground: 45 garbage cans
Step-by-step explanation: If there are 40 picnic tables in a small campground, there should be 15 garbage cans. Because 40/8=5 and 5*3=15. If there are 120 picnic tables in a large campground, there should be 45 garbage cans. Because 120/8=15 and 15*3=45