Answer:
20
Step-by-step explanation:
Use the equation 
Where b2 is a, b1 is b and h is h
I think 2 miles hoped this helped
The answer should be z = 10
Answer:
36
Step-by-step explanation:
so 50% of 120 is just half of it. so that would be 60. Then 20% of 120 is 24 so subtract that from 60 and you get 36.