作者victim0130 (Maxwell)
看板GRE
标题[计量] 一题计量询问，谢谢!
时间Mon Dec 5 23:32:37 2016
Amy and Jed among the 35 people, who are standing in a line,
one behind the other, waiting to buy movie tickets.
The number of people in front of Amy plus the number of people
behind Jed is 24. If there are 15 people behind Amy, i
ncluding Jed, how many people are in front of Jed?
A. 23
B. 25
C. 27
D. 29
E. 31
想请问一下这题答案是D还是E?
麻烦高手解惑，谢谢！
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1F：推 moonshinex : D吧 12/06 00:03
2F：推 blockhead : D 12/06 00:06
3F：→ blockhead : 35-24=11=A到J(含A,J)总人数,因此AJ之间有9人 12/06 00:07
4F：→ blockhead : A後有15人,因此J後有5人,J前有35-5-1(J本身)=29人 12/06 00:09
5F：→ victim0130 : 感谢上面两位大大！没把A跟J扣掉，哈~懂了!!谢谢~ 12/06 01:47