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SASMO 2021 Grade 7 Question 7

SASMO · SASMO 2021 Grade 7

Question 7

There are 15 students in Mr Tan's class. He is 16 years older than twice the average age of his students. He is also 30 years older than the average age of all people in the class, including himself. How old is Mr Tan?
  1. 41
  2. 72
  3. 48
  4. 56
  5. None of the above