The arithmetic mean of nine numbers is 54. Of two number u and v are added to the list the mean of the eleven numer list becomes 66. what are the values of u and v?

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- Nov 8th 2006, 07:37 AMDragonArithmetic Mean
The arithmetic mean of nine numbers is 54. Of two number u and v are added to the list the mean of the eleven numer list becomes 66. what are the values of u and v?

- Nov 8th 2006, 08:01 AMearboth