单选题 A certain theater has 100 balcony seats. For every$2 increase in the price of a balcony seat above$10, 5 fewer seats will be sold. If a11 the balcony seats are sold when the price of each seat is$10, which of the following could be the price of a balcony seat if the revenue from the sale of balcony seats is$1,360?

【正确答案】 C
【答案解析】[解析] 设票价增加x美元，则此时少卖了[*]个座位，根据题意可列出下列方程：[*]→x1=6，x2=24所以包厢座位的票价有两个值，分别为16美元或34美元。