the answer is C.
12a -18s =36
(12 adult tickets= 12a) - (18 student tickets =18s) =$36
Answer:
Step-by-step explanation:
D.closed series circuit
1/3 z= -5/6+1/6 z
Simplify both sides of the equation
Subtract 1/6 z from both sides
1/3 z-1/6 z= 1/6z + -5/6-1/6 z
1/6 z = -5/6
Multiply both sides by 6
6*(1/6 z)=6*(-5/6)
z=-5
Answer : D
I hope that's help !
