Question
The average age of a group of labourers and soldiers is 35. If the average age of the labourers is 31 years and that of the soldiers is 43 years, what is the ratio of the number of labourers to soldiers?
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The average age of a group of labourers and soldiers is 35. If the average age of the labourers is 31 years and that of the soldiers is 43 years, what is the ratio of the number of labourers to soldiers?