A snail starts at the bottom of a well 10 feet deep and crawls 3 feet each day each night however the poor thing slips back 2 feet how long will it take the snail to reach the top of the well?

Answer 1

He would touch the bottom in nine days. It's like he really only moves up a foot a day, but on the ninth day he will move from the eighth foot to the tenth, but if he has to go back again, then it would take him ten days.

Answer 2

The snail gains one foot each day and night, so at the end of seven days and nights it is seven feet from the bottom. On the eighth day it climbs three feet and finally reaches the top.

Answer 3

Essentially, it's moving forward at the rate of 1 foot per day. Therefore, it will take ten days to reach the top.