I tried subtraction addition multiplication and division and I am still very confused on this
Answer:

Step-by-step explanation:
Simplify each term.
Answer:
7 weeks
Step-by-step explanation:
Jasmine=$10
Nat=$11
10+11=$22 each week
135/22=6.14
at least 7 weeks
Answer:
21.7391%
Step-by-step explanation:
21800/1002.80