Answer: Jack, To Decide
Step-by-step explanation:
I am almost certain this is right.
The idea that it is random from a stranger especially between two sides, it fits the idea for fairness. Same with the citizens asked to participate and the random generator.
Answer:
, which simplifies into 
Step-by-step explanation:
You divide both sides by 35 and get 
20,000 x 25 = 500,000
500,000 divided by 100 = 5,000 members are lost.
Members left = 15,000
Members added = 10,000
Members every year = Members left + Members added
= 15,000 + 10,000
= 25,000