Question

The chess club has 18 students. How many different teams of 4 can be formed for competition?

Answer 1

any ideas? very similar to the last one

Answer 2

no, that's why i posted it on here..

Answer 3

what was the answer to the last one? before computing i mean? i wrote it in notation, and in english
answer here is the same idea, but with 18 instead of 8

Answer 4

18 choose 4

Answer 5

exactly!

Answer 6

now this sucks to compute by hand, so type it in to wolfram the way i did
use "18 choose 4" and you will get your answer