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      Question

      300 liters of oil was poured into a tank, which was

      still 40% empty. How much oil must be poured into the tank to fill it to the brim?Β 
      A 150 L Correct Answer Incorrect Answer
      B 180 L Correct Answer Incorrect Answer
      C 120 L Correct Answer Incorrect Answer
      D 200 L Correct Answer Incorrect Answer

      Solution

      Empty tank = 40% Fill tank = 60% 60 = 300 liters 1 = 5 unit 40 = 5Γ—40= 200 liters

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