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Mathematics 8 Online
OpenStudy (anonymous):

in a certain population the ratio of the number if women to the number in men is 11-10. if the average (arithmetic mean) age of women is 34 and the average age of men s 32, the the average age of the population is A; 32 9/10 b;32 20/21 c; 33 d: 33 1/21 e; 33 1/10

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