18<x is the answer you are looking for. Glad to help.
Answer:
b=12
Step-by-step explanation:
The answer is 29. If you put it in an equation, it looks like 90=(x*3)+3. If you -3 from each side, you get 87=x*3. Divide each side by 3, and you get x=29.
Answer:

Step-by-step explanation:
Concept Used: Percentage: 
