### Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-110

12-110.

**12-110. **A European high-speed passenger train is made up of two first‑class passenger cars, five second‑class cars, and a restaurant car. How many ways can the train cars be linked together? Homework Help ✎

This is a permutation in which some of the items occur multiple times, like in an anagram.