Respuesta :
The relationship between y, the total cost of the popcorn and movie tickets, and x, the number of movie tickets that are purchased will be y = 12x + 8.
How to form an equation?
Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.
In other words, an equation is a set of variables that are constrained through a situation or case.
Let's suppose the cost of popcorn is P and the cost of movie tickets is M then
P + 4M = 56
P + 6M = 80
Given that P =$8 hence by putting it to the equation 1
8 + 4M = 56
4M = 48
M = 12 now
Let x number of movie have watch then
y = 12x + 8 will be the formation of the equation.
For more about the equation
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