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1983 AMC 12 Question 9

AMC12 · 1983 AMC 12

Question 9

In a certain population the ratio of the number of women to the number of men is $11$ to $10.$ If the average (arithmetic mean) age of the women is $34$ and the average age of the men is $32,$ then the average age of the population is
  1. $32\frac9{10}$
  2. $32\frac{20}{21}$
  3. $33$
  4. $33\frac1{21}$
  5. $33\frac1{10}$