A shampoo bottle decreased its content from 19.6oz to 18.4oz. What percent decrease is this?

Anyone know? is appreciated! will mark brainliest if correct!

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

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