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Mathematics, 28.09.2021 19:20 JanetQ2002

A 1300-seat theater sells two types of tickets for a concert. Premium seats sell for $30 each and regular seats sell for $20 each. At one event S31,820 was collected in ticket sales with 20 seats left unsold. How many of each type of ticket was sold?

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A 1300-seat theater sells two types of tickets for a concert. Premium seats sell for $30 each and re...
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