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What is the average (mean) of \(x, y,\) and \(z?\)
1) \(x + y = 5\)
2) \(y + z =7\)
[spoiler]OA=E[/spoiler]
Source: GMAT Paper Tests
1) \(x + y = 5\)
2) \(y + z =7\)
[spoiler]OA=E[/spoiler]
Source: GMAT Paper Tests
















