Question
The average age of a group of lawyers and administrators is 47. If the average age of the lawyers is 42 years and that of the administrators is 57 years, what is the ratio of the number of lawyers to administrators?
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The average age of a group of lawyers and administrators is 47. If the average age of the lawyers is 42 years and that of the administrators is 57 years, what is the ratio of the number of lawyers to administrators?