Centroid question

Let \(G\) denote the centroid of triangle \(ABC\). Let \(M\) and \(N\) be points on sides \(AB\) and \(AC\), respectively, so that \(M, G,\) and \(N\) are collinear, and \(AM/MB = 5/2\). Find \(AN/NC\).

 

Thanks in advance for any help.