Math Sat Ii C Tough Question

merudh123
Sun, 02 Oct 2005 13:50:48 +0000

good question…alright well this is how you solve it…

I’m too lazy to explain (if someone else wants to they can)

6 nCr 4) + (6!/4!) = 45

maybe there’s a better way, who knows…but that’s the way I would do it