GWD17-19

Q19:

Of the people who attended a workshop, 60 percent were teachers and some of the teachers were teachers of language arts.  What percent of the people who attended the workshop were teachers of language arts?

(1)     200 people attended the workshop.

(2)     72 of the teachers who attended the workshop were not teachers of language arts.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

大家看看这题答案是不是给错了，答案给的C，应该选B吧，谢谢！

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=84536&page=1

2楼

选C啊，B怎么推出来结果的呢？请LZ说明一下