| Line 4: | Line 4: | ||
since people cant sit in 2 seats, each time the amount of the people who can sit in a seat goes down. | since people cant sit in 2 seats, each time the amount of the people who can sit in a seat goes down. | ||
| − | - - - - - - - - | + | |
| − | 8 7 6 5 4 3 2 1 | + | - - - - - - - - |
| − | + | 8 7 6 5 4 3 2 1 | |
| + | amount of choices left for each seat | ||
Revision as of 15:12, 9 September 2008
To elaborate on Brian's post, the way he got the 7*6*5 can be thought up a little easier if you do a small diagram
I made mine like each - is a seat since people cant sit in 2 seats, each time the amount of the people who can sit in a seat goes down.
- - - - - - - -
8 7 6 5 4 3 2 1
amount of choices left for each seat
