Answer:
P = 70n -1500
Explanation:
Since the revenue generated from selling 10 tickets was 700 dollars. Still the incurred a loss of 800 dollars due to production costs. Hence the overall production costs would come at a total of 700 + 800 = 1500 dollars. In order to make net profit, they would have to withdraw 1500 dollars from the amount gained by selling 'n' number of tickets;
hence
P = 70n - 1500