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December 22, 2014

December 22, 2014

Posted by **Bryan** on Thursday, January 26, 2012 at 9:06pm.

(1) In how many different ways can the 3 CD's be selected?

(2) In how many ways can the selection be made if CD's featuring at least 2 different instruments are selected?

- finite MAth -
**Leigh**, Thursday, September 6, 2012 at 12:49pm1-

4+6+7=17

17-3=14

17!/14!

=680

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