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    Question

    When 42 is taken away from 12 times a number, the result

    is 66 more than 5 times the number. What is the approximate number?
    A 66 Correct Answer Incorrect Answer
    B 42 Correct Answer Incorrect Answer
    C 28 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    Let the number be тАШxтАЩ
    Then, according to the question,
    (12x тАУ 42) = 5x + 66
    Or, 12x тАУ 5x = 66 + 42
    Or, 7x = 108
    So, x = (108/7) = 15.43 or approx 15

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