00:05
We have five people to work with.
00:08
Only three of them show up to a meeting or after school, whatever.
00:11
How many groups could this be? well, let's do it the long way first.
00:15
Let's actually write them out.
00:16
It's not that many, so don't worry.
00:17
A, b, c, d, and e, right? one, two, three, four, five people.
00:21
So it could be a, b, and c.
00:24
It could be a, b, and d.
00:26
It could be a, b, and e.
00:30
Okay.
00:31
So that's it for the a -b combinations.
00:35
All right, but what if it was just ac? well, ac could have been, oops, i forgot the, before i put in my comma, add the d.
00:44
It could be ac with d or ac with e.
00:48
A, c, e.
00:51
And that's it for the ac combinations, but it could be a, d, e.
00:56
You might be saying, well, all right, this is starting to get annoying, but, you know, that's kind of it for a being in the group, and it actually filters down much more quickly from there.
01:07
All right, here's my original five people.
01:09
I want to think that that's one of my combinations here.
01:12
All right, but that's it for a...