The average (arithmetic mean) of a and b is 6 and the average of a, b, and

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The average (arithmetic mean) of a and b is 6 and the average of a, b, and c is 11. What is the value of c?
A. 21
B. 17
C. 13
D. 8
E. 5

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10 ACT Practice Tests

ISBN: 9780071591461

2nd Edition

Authors: Steven Dulan

Question Posted: Jul 24, 2023 07:12 AM

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The average (arithmetic mean) of a and b is 6 and the average of a, b, and

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