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What is the average (arithmetic mean) of \(a\) and \(b?\)
(1) The average (arithmetic mean) of \(a + 2\) and \(b + 7\) is \(12.\)
(2) The average (arithmetic mean) of \(a, b\) and \(6\) is \(7.\)
Answer: D
Source: Magoosh
(1) The average (arithmetic mean) of \(a + 2\) and \(b + 7\) is \(12.\)
(2) The average (arithmetic mean) of \(a, b\) and \(6\) is \(7.\)
Answer: D
Source: Magoosh