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A 60-gallon tank is 60% full of water. If 50% of the water is poured in a 90-gallon tank, what percent of the 40-gallon tank is filled?

A 60-gallon tank is 60% full of water. If 50% of the water is poured in a 90-gallon tank, what percent of the 40-gallon tank is filled? Correct Answer 20

quantity of water in 60g tank = 60x60% = 36g. water pured in 90g tank = 36x50% = 18g. percentage filled = 18*100/90 = 20% ans:20%  

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