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why.math
The St. James Theater is one of the largest theaters in New York City, with a seating capacity of 1600. They sell two different types of tickets, pre-sale and at-the-door. This combination of seats can be represented by the equation x + y = 1600. If the theater is sold out, choose the combination below that is not a possible combination of pre-sale and at-the-door tickets.
Pre-sale: 1200, At-the-door: 400 Pre-sale: 522, At-the-door: 1078 Pre-sale: 847, At-the-door: 700 Pre-sale: 1600, At-the-door: 0