Answer:
All Tickets to one movie cost

Explanation:
Given:
Number of rows in theater = n
Number of seats in each row = m
Total number of seats in the theater = Number of rows in theater
Number of seats in each row=

Now given each ticket costs =

So to find total of all tickets we need multiply each ticket cost by Total number of seats in the theater
Total tickets cost = each ticket cost
Total number of seats in the theater =
