School put on a play. Adult tickets were sold for $5.50, and student tickets were sold for $3.50, there was a total of 230 tickets sold a total of $995 collected from ticket sales. How many more student tickets then adult tickets were sold for the play?

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