[求助]涛涛GWD5

Joanna bought only $0.15 stamps and $0.29 stamps.  How many $0.15 stamps did she buy?

(1)     She bought $4.40 worth of stamps.

(2)     She bought an equal number of $0.15 stamps and $0.29 stamps.

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.

答案是A

我觉得是D

Please search for existing discussions before you post your questions!

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=184062&page=1

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谢谢版主，还想问个问题，为什么我对GWD的数学答案的讲解时，总是对不上号呢，是最近又更新了吗？？

Hmm.. not sure.  Have you checked here?

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=184062&page=1