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January 27, 2015

January 27, 2015

Posted by **Jen** on Monday, July 21, 2008 at 6:41pm.

- Probabiltiy -
**drwls**, Tuesday, July 22, 2008 at 6:04amThat depends upon how many letters can go into one envelope. If that number is one per envelope, then you cannot have just one in the wrong envelope. The one that is supposed to be in that envelope would also be in a wrong envelope.

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