Joe needs to watch a total of 4 seasons x 15 episodes/season = 60 episodes.
He has 10 days to watch all the episodes, so he needs to watch 60 episodes / 10 days = 6 episodes per day.
#### 6
The answer is: 6
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
Joe found a new series to watch with a final season that will premiere in 10 days. The series has 4 full seasons already aired; each season has 15 episodes. To catch up with the season premiere he has to watch all episodes. How many episodes per day does Joe have to watch?

### Answer:
