Question
The average age of a group of security guards and engineers is 36. If the average age of the security guards is 34 years and that of the engineers is 40 years, what is the ratio of the number of security guards to engineers?
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The average age of a group of security guards and engineers is 36. If the average age of the security guards is 34 years and that of the engineers is 40 years, what is the ratio of the number of security guards to engineers?