The table shows ticket at the movies 16 theater. Let a represent the number of adult tickets, and s the number of senior citizens tickets.

write an expression for the total cost of the three types of tickets.

adults cost:$8.75

childrens cost:$6.50

senior citizen cost:$6.50

so from the given data, the expression for the total cost at the movie 16 theater total cost = 8.75a + 6.50a + 6.50s