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Nine Marbles (Posted on 2014-09-20) Difficulty: 3 of 5
Three friends Ade, Ben and Cade have 9 marbles in front of them. Their weights are as follows:
154, 16, 19, 101, 10, 17, 13, 46 and 22 grams.

Each of the three friends takes 3 marbles. Ade's bunch weighs precisely twice as much as Bill's bunch.

What is the total weight in Cade's bunch?

No Solution Yet Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: A simpler solution Comment 4 of 4 |
(In reply to A simpler solution by Steve Herman)

Exactly so.  Good point.
I realized this as soon by the time I got to listing the mod3 values, but I had already typed out everything so far, so I just included it all.
  Posted by Larry on 2014-09-21 06:53:48

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