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1971 AMC 12 Question 16

AMC12 · 1971 AMC 12

Question 16

After finding the average of $35$ scores, a student carelessly included the average with the $35$ scores and found the average of these $36$ numbers. The ratio of the second average to the true average was:
  1. $1:1$
  2. $35:36$
  3. $36:35$
  4. $2:1$
  5. None of these