题目

求教一道GMAT数学题.
Joanna bought only $0.15 stamps and $0.29 stamps.How many $0.15 stamps did she buy?
(1)x05 She bought $4.40 worth of stamps.
(2)x05 She bought an equal number of $0.15 stamps and $0.29 stamps.
x05
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.

提问时间：2020-08-07

答案

由条件(1)可求二者数量都是10张
条件(2)却不可以
所以选择A