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    Question

    What must be added to each term of the ratio 3:7 so that

    it may equal to 5:6?
    A 17 Correct Answer Incorrect Answer
    B 21 Correct Answer Incorrect Answer
    C 11 Correct Answer Incorrect Answer
    D 26 Correct Answer Incorrect Answer

    Solution

    Let's the added number be x. => (3 + x)/(7 + x) = 5/6 => 18 + 6x = 35 + 5x => x = 17

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