Question 937685
x, student tickets
y, adult tickets


{{{system(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.