Question

½(10p-7q) if p=9 and q=2

Answer 1

$\frac{1}{2}(10p-7q)$

Evaluate the expression for p = 9 and q = 2:

$\begin{gathered} \frac{1}{2}(10(9)-7(2)) \\ \frac{1}{2}(90-14) \\ \frac{1}{2}(76)=38 \\ \end{gathered}$