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prep ds 1 138
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138.14162-!-item-!-187;#058&009822
A certain theater has a total of 884 seats, of which 500 are orchestra seats and the rest are balcony seats.When tickets for all the seats in the theater are sold, the total revenue from ticket sales is $34,600.What was the theater's total revenue from ticket sales for last night's performance?
(1) The price of an orchestra seat ticket is twice the price of a balcony seat ticket.
(2) For last night's performance, tickets for all the balcony seats were sold, but only 80 percent of the tickets for the orchestra seats were sold.
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【答案】C
請問這題為什麼是C呢
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