Respuesta :
2[78 = x/2 + x - 6]
156 = x + 2x - 12
156 = 3x - 12
3x = 156 + 12
3x = 168
x = 56
156 = x + 2x - 12
156 = 3x - 12
3x = 156 + 12
3x = 168
x = 56
Answer:
The answer would be $50 for a child's ticket. :)
Step-by-step explanation: