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An athletics club has two types of member: junior and adult. The junior members are either boys or girls. There are $16$ more adult members than there are junior members.
The ratio of girls to boys to adults is $3:4:9$.
In total, how many members does the club have?
If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.
Athletics Club
Age 11 to 14
ShortChallenge Level 
An athletics club has two types of member: junior and adult. The junior members are either boys or girls. There are $16$ more adult members than there are junior members.
The ratio of girls to boys to adults is $3:4:9$.
In total, how many members does the club have?
If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.
This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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