The average (arithmetic mean) of A and B is 10, whereas the average of B and 10 is C/2. What is the average of A and C?

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- January 25th 2007, 12:05 PMceasar_19134The average of A and B is 10...
The average (arithmetic mean) of A and B is 10, whereas the average of B and 10 is C/2. What is the average of A and C?

- January 25th 2007, 12:08 PMThePerfectHacker