Step-by-step explanation: Let’s write and solve an equation.
Let x equal the cost of each movie ticket.
Equation:
6x + 7.50 = 115.50
Next, solve for x, each movie ticket.
6x + 7.50 - 7.50 = 115.50 - 7.50
6x = 108
6x/6 = 108/6
x = 18
So, each movie ticket, x costs $18.