Everyone Loves Cupcakes
Unfortunately, some of Alice's friends are greedy! They take more than their fair share of cupcakes, and Alice, who's last in line, doesn't get one! How many ways could this have happened? In other words, how many ways could we arrange 9 numbers such that their sum is 10?
Details and Assumptions
- Alice's friends could have taken anywhere from 0 cupcakes to all 10 cupcakes.