Instructions:
Solve word problems from combinatorics.
Example
The train has 2 wagons. Only one is blue and the rest are red. How many different colored sortings of wagons can be built?
Your answer:
________ different colored sortings of wagons.
Solution
The train has 2 wagons. Only one is blue and the rest are red. How many different colored sortings of wagons can be built?
Your answer:
2 different colored sortings of wagons.