Mr. Gill is draining his pool. The pump he is using changes the water level by −214 inches per hour. A stronger pump would drain the pool 212 times as fast. What would the change in water level be per hour if Mr. Gill used the stronger pump?

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