Answer:
What is a reasonable domain for the two functions?
x > 0
Answer:
Dustin sold 28 packs
Step-by-step explanation:
For this case we must solve the following system of equations:

We multiply the first equation by -2:

We add the new equation with the second one:

We have different signs subtracted and the sign of the major is placed:

Now we find the value of the variable "y":

Thus, the solution of the system is given by:

Answer:

10 (x + 3) is the answer i believe
Ummm i dont even believe thats a reasonable question theres no 20 cent coins