GWD13-7

dbearwangs

Q7:

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

can't understand the question, please help.

thinkers

这道题好像费费里有，也有讨论过

因为 A team earned 6 – n points whenever one of its members

finished in nth place, where 1 ≤ n ≤ 5.

这个意思就是说这项比赛只有前5名才得分，前5名的分是 5、4、3、2、1，其余得0分,那三个队的总计得分应该是5+4+3+2+1＝15，

又说no team earned more than 6 points，令另两个队都得最高分6，

那最少的就是15-12＝3