Consider rectangle \(ABCD\). Let \(E\) be the midpoint of side \(AD\) and let \(F\) be the midpoint of \(ED\). Let \(G\) be the intersection of \(CE\) with the line \(AB\) and let \(H\) be the intersection of \(BF\) with line \(CD\). The ratio of areas of the \(\triangle BCG\) and \(\triangle BCH\) can be expressed as \(\frac{m}{n}\) in lowest terms. Compute \(10m+10n+mn\).
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Related: Geometry