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September 21, 2014

September 21, 2014

Posted by **Michelle** on Saturday, November 27, 2010 at 10:31am.

- Math -
**Jen**, Saturday, November 27, 2010 at 10:34amRight now the probability of picking blue would be 12/30. If you add another blue it would be 13/31, then 14/32, 15/33, 16/34, 17/35, 18/36. 18/36=1/2, so if he wants the probability to be 1/2 he needs to add 6 more blue.

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