organized counting without replacement

You can pull any 5 on the first try, then any of the last 4 on the second try

5*4=20

Thats just the logically way to do it.

I don't know if your teacher has you doing it a defferent way

Combination: A set of objects in which position (or order) is NOT

important.=nCr=10C2=45

Hey Spawning Angel.... there are 5 PAIRS of shoes in the bag...how does that change your calc???

Pull one shoe out and there are 9 shoes left in the bag  ONE matches and EIGHT do not match....there are then EIGHT ways to pull out a shoe that does not match.