1. We start with the equation given: $$n = \frac{p - 2t}{15}$$ 2. Our goal is to make $p$ the subject, which means we want to express $p$ in terms of $n$ and $t$. 3. To eliminate the denominator 15, multiply both sides of the equation by 15: $$15n = p - 2t$$ 4. Next, isolate $p$ by adding $2t$ to both sides: $$p = 15n + 2t$$ 5. This is the expression for $p$ in terms of $n$ and $t$. **Final answer:** $$p = 15n + 2t$$