An action you could take would to improve the health of a school is buy water bottles for the sports teams at school, by doing this you will hydrate the teams preventing them from going to the hospital for dehydration.
Twice as old as" means we will be multiplying by 2. "her cousin" - we need a new variable C to represent her cousin's age. "was three years ago" - 3 years ago means we will have to subtract 3.
When two people find a way to get over/around a conflict