Posted by **amy** on Tuesday, May 29, 2012 at 11:34pm.

You and four friends are going to a movie. In how many different orders can you pick your friends up?

- pre algebra -
**Pendergast**, Wednesday, May 30, 2012 at 12:23am
There are 4 friends - 4 choices for the first friend to be picked up.

For every choice of the first picked up, there are 3 friends left - 3 choices for the second friend to be picked up.

Following the pattern, 2 choices for the third friend, 1 choice for the fourth.

4*3*2*1 = 24

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