Answer:
B. 66
Step-by-step explanation:
[tex]\frac{1}{x}(2x + 192)[/tex] Substitute x = 3
[tex]\frac{1}{3} (2 *3+192)[/tex] Multiply in the parentheses
[tex]\frac{1}{3}[/tex](6 + 192) Add
[tex]\frac{1}{3}[/tex](198) Multiply
66