问题标题:
求教一道GMAT数学题.Joannaboughtonly$0.15stampsand$0.29stamps.Howmany$0.15stampsdidshebuy?(1)x05Shebought$4.40worthofstamps.(2)x05Sheboughtanequalnumberof$0.15stampsand$0.29stamps.x05A.Statement(1)ALONEissuf
问题描述:
求教一道GMAT数学题.
Joannaboughtonly$0.15stampsand$0.29stamps.Howmany$0.15stampsdidshebuy?
(1)x05Shebought$4.40worthofstamps.
(2)x05Sheboughtanequalnumberof$0.15stampsand$0.29stamps.
x05
A.Statement(1)ALONEissufficient,butstatement(2)aloneisnotsufficient.
B.Statement(2)ALONEissufficient,butstatement(1)aloneisnotsufficient.
C.BOTHstatementsTOGETHERaresufficient,butNEITHERstatementALONEissufficient.
D.EACHstatementALONEissufficient.
E.Statements(1)and(2)TOGETHERareNOTsufficient.
李明强回答:
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
点击显示
数学推荐
热门数学推荐