Answer:
D) 
Step-by-step explanation:
A)

B)

C)

D)

I think it’s 37 sandwiches if he only sold sandwiches
7 x 4 = 28
Santiago has a total of $28.
Answer:
3x + 88
Step-by-step explanation:
Add the numbers
3 + 28 + 60
3 + 88
Solution:
3x + 88
have a good day