Question 87
Eliane wants to choose her time for swimming. She wants to go to two classes a week, one in the morning and the other in the afternoon, not being on the same day or on consecutive days. In the morning, there are swimming lessons from Monday to Saturday, at $9 h$, at $10 h$ and at $11 h$ and in the afternoon, from Monday to Friday, at $17 h$ and AS $18 h$. In how many different ways can Eliane choose your schedule?