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Lovelorn Snail (Posted on 2003-11-27) Difficulty: 2 of 5
On Valentine's Day in 1996, there was a snail (his name is Herb) at the bottom of an empty well that is 30 feet tall. The well had run dry, but it had slippery, moss covered walls. So, during the day (he woke up at 6am), Herb was able to climb 3 feet up, but while he slept at night (he went to sleep at 10pm), he slipped back down 2 feet.

On what date did Herb get out of the well?

See The Solution Submitted by SilverKnight    
Rating: 2.8148 (27 votes)

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Solution remember leap year! | Comment 75 of 84 |

Herb gains 3 feet each day, then loses 2 feet each night.

29th of Feb he gains up to the 18 foot mark, but slips back to 16.

On the evening of March 12th, Herb will hit the 30 foot mark and climb out.


  Posted by Jim on 2004-08-10 11:30:18
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