Maths Olympiad Prep

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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

The mean of a set of 8 numbers is 12. Two numbers with a mean of 18 are removed from the set. What is the mean of the remaining 6 numbers?

(A) 66 (B) 77 (C) 88 (D) 99 (E) 1010

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