Question
The average age of a group of doctors and soldiers is 39. If the average age of the doctors is 35 years and that of the soldiers is 47 years, what is the ratio of the number of doctors to soldiers?
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The average age of a group of doctors and soldiers is 39. If the average age of the doctors is 35 years and that of the soldiers is 47 years, what is the ratio of the number of doctors to soldiers?