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Question
From a cask, containing 450 litres of petrol, 8% of the petrol was lost by leakage and evaporation. How many litres of petrol was left in the cask?
Solution
Original petrol in the cask = 450 litres
Leakage and evaporation = 8 %
∴ Lost petrol = 8 % of 450 litres `= (8 xx 450)/100` = 36 litres
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