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July 2, 2015

Homework Help: Math

Posted by Kayla on Monday, February 13, 2012 at 6:29pm.

Assume that you have 7 dimes and 5 quarters (all distinct), and you select 4 coins. In how many ways can the selection be made so that at least 3 coins are dimes?In how many ways can the selection be made so that at least 3 coins are dimes?

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