304. A certain theater has 100 balcony seats .For every 2 dollar increase in the price of a balcony seat above 10 dollars,5 fewer seats will be sold.if all the balcony seat are sold when the price of each seat is ten dollar,which of the the following could be the price of a balcony seat if the revenue from the sale of balcony seats is 1360 dollar? 看不明白题目意思 | 
