Question

Need help with Permutations. Leora, a triathelete, 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?

Answer 1

there are 8 ways of picking the first shoe
this leaves 7 shoes, 1 of which is a matching shoe.
there are 6 ways of picking a second unmatched shoe.

--> 8*6 = 48

Answer 2

oh ok i c thanks

Answer 3

yw