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In a company, the men who do not wear glasses are thrice as many as the...

In a company, the men who do not wear glasses are thrice as many as the men who do, while the women who do not wear glasses are ten more than the women who do. The probability that an employee wears glasses is 3/10. If a selected employee wears glasses, the probability that the employee is a women is 2/3. How many are the employees of the company?

Math   Statistics-And-Probability   
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