[求助]GWD30-25求解

shappiesus

Q25:

For a certain race, 3 teams were allowed to enter 3 members each.  A team earned 6 – n points whenever one of its members finished in nth place, where 1 ≤ n ≤ 5.  There were no ties, disqualifications, or
        withdrawals.  If no team earned more than 6 points, what is the least possible score a team could have earned?

 

A.          0

B.          1

C.          2

D.          3

E.          4

Answer: D

please help!

Thanks a million

Abbigail_law

每队3个人，第一名为他所在的队伍加5分，第二名4分，依此类推

那么总共的分数就是5＋4＋3＋2＋1＝15分

要一个队得分最小，那么另外两个队得的分就要尽可能多

又要求没有一个队伍得分超过6分，那么两外两队都得6分

剩下的那个队得15－6×2＝3分

所以D

jiangmingjia

现在懂了：每队三人参赛，三队共九人，取前五名，得分依次为5、4、3、2、1，总分为15分。求三队中某一队可能的最少得分，需用总分减去其余两队可能的最大得分（6分），即15-2*6=3。谢谢Abbigail_law!