|
Example 1
In how many ways can 5 people sit on a 5 person bench?
In this case, we cannot have repeating values. If someone named Bob is already sitting, he cannot appear again at a different place on the bench!
1. Figure out how many places there are to fill
There are 5 seats on the bench, so there are 5 places:
__ __ __ __ __
2. Figure out how many objects potentially can go into each place
This is a partial free sample of our prep guide. To view the remainder of this page, purchase the 800score.com Prep Course.
|
