The figure below shows parallelogram ABCD, where line DH is perpendicu

[GMAT math practice question] The figure below shows parallelogram \(ABCD\), where line \(DH\) is perpendicular to line \(BC\). \(P\) is a point inside parallelogram \(ABCD\). If \(AD = 7, DH = 4\) and the area of triangle \(PBC\) is \(5\), what is the area of triangle \(PAD\)? (…)