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February 27, 2015

February 27, 2015

Posted by **Elizabeth** on Thursday, January 31, 2008 at 9:19am.

- Math -
**drwls**, Thursday, January 31, 2008 at 10:51amThe first assigned pair has four pairs of chairs to choose from. The second has three and the third has two. In each case, the pair can do a left-right switch. That makes 4x3x2x2 = 48 possibilities.

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