Leora, a triathlete, has four pairs of running shoes loose in her gym bag. In how many ways can she pull out two unmatched shoes one after the other?

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Originally Posted by nithujaa Leora, a triathlete, has four pairs of running shoes loose in her gym bag. In how many ways can she pull out two unmatched shoes one after the other? There are 8 ways of pulling out the first shoe and 6 ways of pulling out the second. Therefore ....