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Mathematics, 29.03.2020 22:36 marieb39

The average (arithmetic mean) of a set of n numbers is 19. If the average of the 6 greatest numbers in the set is 29 and the average of the remaining numbers is 7, what is the value of n?

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The average (arithmetic mean) of a set of n numbers is 19. If the average of the 6 greatest numbers...

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