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这明明是22人,怎么解释变了0.22?这题怎么解释呀,看不太懂?

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发表于 2010-9-15 11:22:58 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
43.3798-!-item-!-187;#058&003572

Each person in a certain group supports only one of the two candidates R and T. Of the people in the group, 45 percent support Candidate R and the rest support Candidate T.How many people in the group are in favor of a flat tax?



(1)Of the people in the group who support Candidate R, 58 percent are in favor of a flat tax.



(2)Of the people in the group who support Candidate T, 22 are in favor of a flat tax.

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【答案】E

【思路】
Rtax+Ttax=? total population=X
(1)
----------------------------------------------insufficient
(2)
-------------------------------------------------- insufficient
(1)(2)we do not know X,-----------------------------------------------------------------------insufficient
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沙发
发表于 2010-9-15 11:52:39 | 只看该作者
哈我第一次看也是直接看成0.22,但就算支持t的人有22人支持f,還是無法算出全部多少人啊,答案還是e
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