I need help with this problem.

Let the number of student tickets=S

Number of adult tickets sold =295 - S

 

2S + 5[295 - S] =950

2S + 1,475 - 5S=950

-3S = -525 divide both sides by -3

S =-525/-3

S=175-student tickets were sold.

295 - 175 =120-adult tickets were sold.