HELPPPP PLEASE!!!! Don't understand

Answer: 20% is your answer
Step-by-step explanation:
180-150=30
30 divided by 150 = .2 which is 20%
Answer:
The answer is B. 20%
It helps to use properties of multiplication and division.
Also, you can think of 20% as [tex]\frac{20}{100}[/tex]
Hope this helps