Final answer:
To determine when Max and his friends will play soccer, they need to coordinate a day and time that works for everyone.
Step-by-step explanation:
In order to determine when Max and his friends will get together to play soccer, they would need to coordinate and agree upon a specific day and time that works for everyone.
This coordination process may involve discussing each person's availability, considering any scheduling conflicts, and finding a common time slot that works for everyone.
Once a day and time have been agreed upon, Max and his friends can set it as their scheduled time to get together and play soccer.