The student council is selling raffle tickets to raise money for the winter dance. they have a total of 275 tickets to sell and are told they must sell at least 82% of them to raise enough money. how many do they need to sell?

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?