A chef is making a sauce at her restaurant. She uses 2 cups of cheese for every 5 cups of cream.
What are all the equations to represent the relationship between the amount of cheese, x, and cream, y, that she uses in her sauce.

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