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      Question

      In a group of 200 members, 45% are teenagers and the

      remaining are adults. The average weight of the whole group is 62 kg. If the average weight of teenagers is 56 kg, then the nearest integral value of the average weight of adults is ________.Β 
      A 79 kg Correct Answer Incorrect Answer
      B 67 kg Correct Answer Incorrect Answer
      C 84 kg Correct Answer Incorrect Answer
      D 65 kg Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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