Re: Puzzle for the weekend

Posted by bobbapink on Jul 06, 2002 at 09:16

Re: Puzzle for the weekend (Southern Man)

Working backward i find that the last weighing can be no more than 3 bags. To reach 3, I must have had 6 on the second weighing. To reach 6, I must have had no more than 13 on the first weighing. 13 is the answer (i think) but I can't think of how i might otherwise prove it.

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