Final answer:
The number of soccer players not older than 10 years old is needed to find the complement of set A on the soccer team. Without the data showing ages and number of players per age group, it's not possible to give a specific number.
Step-by-step explanation:
The student is asking to determine the number of soccer players who are not older than 10 years old on a team. This group of players represents the complement of set A, which consists of players who are older than 10 years old. To find the complement, we would subtract the number of players older than 10 from the total number of players on the team. However, without the actual data provided in the question, we can't determine a specific number of players.
To accurately answer this question, we need the data that lists the ages and number of players per age group.