Solve the problem.Among a group of 66 investors, 24 owned shares of Stock A, 30 owned shares of Stock B, 32 owned shares of Stock C, 14 owned shares of both Stock A and Stock B, 13 owned shares of Stock A and Stock C, 15 owned shares of Stock B and Stock C, and 9 owned shares of all three. How many investors did not have shares in any of the three? How many owned shares of either Stock A or Stock C but not Stock B?
A. 22; 19
B. 13; 28
C. 13; 23
D. 13; 19
Answer: C
Mathematics
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?
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Mathematics