Question
The average age of a group of labourers and teachers is 47. If the average age of the labourers is 45 years and that of the teachers is 53 years, what is the ratio of the number of teachers to labourers?
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The average age of a group of labourers and teachers is 47. If the average age of the labourers is 45 years and that of the teachers is 53 years, what is the ratio of the number of teachers to labourers?