Answer:
8.5 bags are needed.
Step-by-step explanation:
Given : Number of bags needed 

To Find : how many bags he needs?
Solution :



Now we are given that Number of bags needed 
Substitute the value of x


Hence 8.5 bags are needed.
Answer:
The answer is 4 units
Step-by-step explanation:
you see the difference between the two and it is 4
The graph is raised by the value of that constant (if it is negative, it is lowered by that much)
An equation says that two things are equal. It will have an equals sign "=" like this:
<span>7 + 2 = 10 − 1</span>