Sue got to the library at 10 30 am. She stayed at the library for 40 minutes.
Then she walked home.
Sue took 13 hours to walk home.
b) At what time did Sue get home?

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