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 hank.
Step-by-step explanation:
3c+9-9 = 417-9.
c=136