Mathematics, 10.03.2020 04:56 raymondmancilla123
The average (arithmetic mean) of 7 numbers in a certain list is 12. The average of the 4 smallest numbers in this list is 8, while the average of the 4 greatest numbers in this list is 17. How much greater is the sum of the 3 greatest numbers in the list than the sum of the 3 smallest numbers in the list
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The average (arithmetic mean) of 7 numbers in a certain list is 12. The average of the 4 smallest nu...
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