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 ?
Correct Answer: 20
8 gallons petrol, need 12-110=5-110=410=25 Full Tanks25 full tank contains 8 gallons ∴ 1 ‘’ ‘’ '" 8÷25=8×52 gallons∴ 12 ‘’ ‘’ " 8×52×12=20 gallons