The ticket prices were $8, $10, and $12, and the

| August 30, 2017

Question
at a college production of a play, 560 tickets were sold. The ticket prices were $8, $10, and $12, and the total income from ticket sales was $5340. How many tickets of each type were sold if combined number $8 and $10 tickets was 7 times the number of $12 tickets sold.

Use a system of linear equations in three variables to solve the following problem.

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