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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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