Answer:
325
Step-by-step explanation:
Let S be the number of student tickets and A the number of adult tickets
Total number of tickets sold:
S + A = 704 (1)
Since there were 54 more student than adult tickets
S - A = 54 (2)
Subtract (2) from (1) to eliminate S
(2) - (1)
S+A - (S-A) = 704-54
S-S + A - (-A) = 650
2A = 650
A = 650/2 = 325
Number of adult tickets sold = 325
