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December 18, 2014

December 18, 2014

Posted by **M.A.** on Friday, July 17, 2009 at 6:35am.

- math..word problem -
**Reiny**, Friday, July 17, 2009 at 7:29amtreat Tom and Fred as one unit, so there are only 4 to arrange

That would be 4!

But within each those, Tom and Fred could be switched.

So the total number of ways is 2(4!) = 48

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