Question

    If 1/7 of a number is subtracted from the number, the result is 30 less than the number. Find the number.

    A 120 Correct Answer Incorrect Answer
    B 140 Correct Answer Incorrect Answer
    C 210 Correct Answer Incorrect Answer
    D 105 Correct Answer Incorrect Answer

    Solution

    Let the number be x, then x - x/7 = x-30 x-x + x/7 = 30 x/7 = 30   x = 7 x 30   x = 210

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