Answer:
Number of students attended the fall play[tex]=1296[/tex]
Step-by-step explanation:
Let number of adults[tex]=x[/tex]
Number of students[tex]=3\times number\ of\ adults-150=3x-150[/tex]
Given that total number of tickets[tex]=1778[/tex]
Number of students+ Number of adults[tex]=1778[/tex]
[tex]x+(3x-150)=1778\\4x-150=1778\\4x=1778+150\\4x=1928\\x=\frac{1928}{4}\\x=482[/tex]
Number of adults[tex]=482[/tex]
Number of students[tex]=3x-150=3\times482-150=1446-150=1296[/tex]
Number of students[tex]=1296[/tex]