※ 引述《iamhentai (我是变态)》之铭言： : 56. 6461-!-item-!-187;#058&004810 : To celebrate a colleague's retirement, the T coworkers in an office agreed to : share equally the cost of a catered lunch. If the lunch costs a total of x : dollars and S of the coworkers fail to pay their share, which of the : following represents the additional amount, in dollars, that each of the : remaining coworkers would have to contribute so that the cost of the lunch is : completely paid? : 1.x/T : 2.x/(T-S) : 3.Sx/(T-S) : 4.Sx/T(T-S) : 5.x(T-S)/T : 正确答案是4 为什麽不是3 题目问的应该是"剩下的人要多付多少"没错吧 : 还是我误会题目的意思了 题目是问剩下的人额外要多付多少钱 : 57. 6510-!-item-!-187;#058&004845 : Amount charged | Percent Bonus : ----------------------------------- : $0.01 to $1000.00| 0.5 : $1001.00 to $3000.00| 1.0 : $3001.00 to $6000.00| 1.5 : $6001.00 to $10000.00| 2.0 : At the end of each year, a certain credit card company pays a bonus to each : of its credit card holders based on the amount, up to $10,000, that the : cardholder charged throughout the year. A 0.5 percent bonus is paid on the : first $1,000 charged, a 1.0 percent bonus is paid on the next $2,000 charged : and so on, as indicated in the table above. What is the maximum annual : bonus, in dollars? : (A) $100 : (B) $150 : (C) $200 : (D) $250 : (E) $500 : 答案是B 不是应该10000*2.0% = 200吗 1000*0.5% + 2000*1% + 3000*1.5% +4000*2% = 150 -- 鱼说：你看不见我眼中的泪，ꘊ 因为我在水中..... 水说：我能感觉你的泪，ꘊ 因为你在我的心里..... --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 61.216.6.31