# Combinatorics word problems

**Instructions:**

Solve word problems from combinatorics.

## Example

The train has 4 wagons. Only one is blue and the rest are red. How many different wagon sortings can be built?

**Your answer:**

________ different sortings of wagons.

## Solution

The train has 4 wagons. Only one is blue and the rest are red. How many different wagon sortings can be built?

**Your answer:**

**4** different sortings of wagons.