A car salesperson is paid a base salary of $17,000 a year plus 15% commission on all car sales. What are the sales needed to ensure an annual income greater than $60,000?

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