Eli freda and geoff were given £800 to share in the ratio of their ages Eli is 9 years old freda is 13 years old and geoff is 18 years old how much should they each get?

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?