A Petrol tank now is 1/2 full. After you remove 8 gallons petrol from the 1/2 full tank the tank is then 1/10 full. What is the capacity, in gallons, of the tank?

A Petrol tank now is 1/2 full. After you remove 8 gallons petrol from the 1/2 full tank the tank is then 1/10 full. What is the capacity, in gallons, of the tank?

A 40

B 20

C 31/2

D 30

E None of these

Solution

Correct Answer: Option B