C.
It represent everything that has to be done
There isn't enough information because we don't know the amount Jill brought. We know the amounts Bill and Mike bought, but we know nothing about Jill.
Answer:
<u>3 days</u>, <u>27</u>
Step-by-step explanation:
After 3 days :
- 3³ = 27 belts
- 4(3) + 15 = 12 + 15 = 27 belts
After 3 days, the number of belts and wallets sold will be the same, equal to 27.