I think it's the last one, i'm not sure though
See, pls, the attachment.
The used method based on properties of functions.
1. Joe- 2+b (or 2+1b)
Micheal- 2b
2. Joe- 2+10=12
Micheal- 2x10=20
3. one distributes and the other just adds regularly.
Answer:
1st one
Step-by-step explanation:
What is 14 and 15 tell me