In algebraic expressions, times means multiply.
So let us rewrite the expression 17 times y/2 times z using multiply sign as follows:
[tex] 17 * \frac{y}{2} * z [/tex]
Now we multiply the numerators together as follows:
[tex] \frac{17*y*z}{2} [/tex]
So our final answer becomes:
17yz / 2