\(\frac{75}{150} = \frac{1}{2}\)
\(\frac{p^4}{p^5} \cdot \frac{q}{q} = \frac{1}{p} \cdot 1 = \frac{1}{p}\)
\(\frac{1}{2} \cdot \frac{1}{p} = \frac{1}{2p}\)
Ответ: \(\frac{1}{2p}\)