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      Question

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

      still 30% empty. How much oil must be poured into the tank to fill it to the brim?┬а
      A 65 liters Correct Answer Incorrect Answer
      B 48liters Correct Answer Incorrect Answer
      C 90liters Correct Answer Incorrect Answer
      D 72liters Correct Answer Incorrect Answer

      Solution

      Empty tank = 30% Fill tank = 70% 70 = 210 liters 1-3 30 = 3├Ч30= 90 liters

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