A critter falls into a steep 10-foot hole. Every day, he manages to climb 3 feet, but slides back 2 feet at night while resting. How long before he gets out? Explain your answer.
Day 1: 3 back to 1 ft
Day 2: 4 back to 2 ft up
Day 3: 5 back to 3 ft up
Day 4: 6 back to 4 ft up
Day 5: 7 back to 5 ft up
Day 6: 8 back to 6 ft uo
Day 7: 9 back to 7 ft up
Day 8: 10 ft and freedom
Day 1: 3 back to 1 ft
Day 2: 4 back to 2 ft up
Day 3: 5 back to 3 ft up
Day 4: 6 back to 4 ft up
Day 5: 7 back to 5 ft up
Day 6: 8 back to 6 ft uo
Day 7: 9 back to 7 ft up
Day 8: 10 ft and freedom