<u>Answer:</u>
355 senior citizen tickets were sold.
<u>Step-by-step explanation:</u>
Assuming a to the the ticket of adults and s to be the ticket of senior citizens, we can write two equations as:
--- (1)
--- (2)
From equation 1, .
Substitute in equation 2 to get:
Therefore, there were 355 senior citizen tickets sold.
4 prints
12x = 2.5x + 38
at 4, these expressions are equal