Posted by **kitkat** on Tuesday, November 16, 2010 at 5:40pm.

Ryan reaches into his gym bag for a pair of running shoes. If there are seven different pairs of shoes loose in the bag, how many ways can he pick two shoes that do not match?

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March 24, 2017
Posted by **kitkat** on Tuesday, November 16, 2010 at 5:40pm.

Ryan reaches into his gym bag for a pair of running shoes. If there are seven different pairs of shoes loose in the bag, how many ways can he pick two shoes that do not match?

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