Respuesta :
The cost of one ticket is $7.
The equation that represents the equation is 12 + 4x = 40.
What is the cost of one ticket?
The total amount that was paid by the family is a function of the total cost of the ticket and the cost of the popcorn.
Total cost = cost of the popcorn + (number of tickets bought x cost of the ticket)
$40 = $12 + 4x
4x = 40 - 12
4x = 28
x= $7
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