作业帮求教一道GMAT数学题.
来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/04/28 00:40:39
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.
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.
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
条件(2)却不可以
所以选择A