Answer:
x, student tickets
y, adult tickets
x+y=306
x=2y, exact translation of the description into a system of equations. Solve for the value of y.
The process can be, solve for x in terms of y, already seen as THE second equation of the system; substitute into the other equation, and solve the result for y, and compute.
(2y)+y=306
3y=306
y=102 adult tickets sold.
Step-by-step explanation:
