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=
 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 =
 Total number of seats in the theater = 
