Asap- i would give 40 points just for these 3 answers i really need with 5, 6, and ! it’s due tomorrow and i have no clue what to do

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

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

Which of the following is the sum of 3 1/6 + 6 3/8?