As one of her chores, staci must vacuum 1/2 of the house if she already has vacuumed 1/3 of her share tonight what part of the house has she vacuumed?

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