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      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 β€˜3p’ ATQ, 0.30 Γ— 3p + 15 = 3x/3 Or, p = 15/0.1 = 150 Therefore, required number = 3p = 450

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