Hi
movie was was attended by 212 people
Let xand (212-x) represent the number of adult and children's tickets respectively
Question states***
8x + 4(212-x) = 1448
Solving for x
4x = 600
x = 150, number of adult tickets. 62 children's tickets. (212-150)
CHECKING our Answer***
$8*150 + $4*62 = $1200 + $248 = $1448