Reenne uses 12 marshmellows toand 8 graham crackers to make 12 smores how much does she need for 3

Write a corresponding real world problem to represent 2x - 125=400

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)