Question

    When 15 is added to 30% of a certain number, the result

    is equal to one-third of that same number. Determine the value of the number.
    A 320 Correct Answer Incorrect Answer
    B 450 Correct Answer Incorrect Answer
    C 400 Correct Answer Incorrect Answer
    D 475 Correct Answer Incorrect Answer

    Solution

    ATQ, Let the number be ‘3p’ ATQ, 0.30 × 3p + 15 = 3x/3 Or, p = 15/0.1 = 150 Therefore, required number = 3p = 450

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