# We have three cars with four people in each car. If the car owner must occupy their own car, how many arrangements of the people are possible?

##### 1 Answer

Sep 19, 2016

84

#### Explanation:

The number of combinations of

In this example, there are 3 cars each with 4 people in each.

The people in each car are: 1 owner + 3 passengers

The owner is fixed per car so the number of arrangements (combinations) of the remaining 9 people is