单选题 A person bought a ticket to a ball game for $15 and later sold the ticket for $60. What was the percent increase in the price of the ticket?
(A) 25% (B)
【正确答案】 D
【答案解析】[解析] 大多数考生会认为百分比无法大于100,而认为这道题无法解,或干脆就把比例搞反,得出的错误结果。实际上百分比是可以大于100的,正如本题所示。根据题意可得该票的价格增加的百分比为: