Answer:
The price of one adult ticket is $19 and the price of one children ticket is $18
Step-by-step explanation:
Let
x ----> the price of one adult ticket
y ----> the price of one children ticket
we know that
3x+4y=129 -----> equation A
2x+3y=92 ----> equation B
Solve the system by graphing
Remember that the solution of the system is the intersection point both graphs
The solution is the point (19,18)
see the attached figure
therefore
The price of one adult ticket is $19 and the price of one children ticket is $18