Final answer:
The question is about determining Aven's age when they moved to Arizona.
Step-by-step explanation:
Unfortunately, the question does not provide enough specific information to determine how old Aven was when they moved to Arizona. In order to answer the question, we would need more details about Aven's birthdate and the date they moved to Arizona.
However, it is important to note that Aven's age at the time of moving to Arizona would be calculated by subtracting their birthdate from the date of the move.
For example, if Aven was born on January 1, 2005, and they moved to Arizona on August 1, 2016, then Aven would have been 11 years old when they moved to Arizona.