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Can someone me with this problem i don't understand i need

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

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?