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[GMAT math practice question]
There are companies A, B, and C. The table shows the average ages of the employees in A, B, C, “both A and B (A∪B),” “both B and C (B∪C)” and “both C and A (C∪A),” respectively. What is the average age of the employees in all three companies A, B and C?
A. 28 B. 30 C. 32 D. 34 E. 36
There are companies A, B, and C. The table shows the average ages of the employees in A, B, C, “both A and B (A∪B),” “both B and C (B∪C)” and “both C and A (C∪A),” respectively. What is the average age of the employees in all three companies A, B and C?
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