Answered: The mean of a set of eight numbers is…

The mean of a set of eight numbers is 10. If one of the numbers is removed the mean of the remaining numbers is 9. The number that was removed is: A. 16 B. 17 C. 15 D. 18

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 7P

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1. The mean of a set of eight numbers is 10. If one of the numbers is removed the mean of the remaining numbers is 9. The number that was removed is: A. 16 B. 17 C. 15 D. 18

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