Respuesta :

Answer: It is D

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

It would be D because you must have 4x (To find the individual water bottle price) plus $3.39 (The price of the popcorn) and have it equal $7.43 (The total cost)

In equation form, this would be 4x+3.39=7.43