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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 ? 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 

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