Ben is 18 years old. He decided to start investing $180 every month into an average mutual fund (interest rate 12%). How much money will he have when he’s 58 years old?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years