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For a certain performance at a concert hall, a total of 2,350 tickets were sold in the orchestra, first mezzanine, and second mezzanine. How many orchestra tickets were sold?
The number of first mezzanine tickets sold was one-half the number of second mezzanine tickets sold.
The total number of first and second mezzanine tickets sold was 50 percent greater than the number of orchestra tickets sold.