Answer: 
Step-by-step explanation:
Given : The number of student tickets sold is represented by c.
For a school drama performance, student tickets cost $5 each and adult tickets cost $10 each.
The sellers collected $3,570 from 512 tickets sold.
Since , the total tickets sold = 512
Therefore , the number of adults ticket = 
Now, cost of total child tickets : 
Cost of total adult tickets = 
Now, according to the cost of the tickets , we have the following equation :-
