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【OG20-P276-267题】
In each of the last five years, Company K donated p percent of its annual profits to a certain scholarship fund. Did Company K donate more than $10,000 to the scholarship fund last year?
(1) Two years ago, Company K had annual profits of $3 million and donated $15,000 to the scholarship fund.
(2) Last year, Company K had annual profits of $2.5 million.
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题干:K*p%>10000?
条件1:3000000*p%=15000,p可以求,但是K未知,不充分
条件2:K=2500000,p未知,不充分
结合:K和p都已知,充分
题目讨论 (5条评论)

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文轩SZD
没注意时间
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0 回复 2022-06-17 08:42:23
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186871ad
这题的p是个未知数,需要去求解。
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0 回复 2020-09-05 01:06:31
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Xxxffll
k和p都要知道
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0 回复 2018-09-12 12:26:37
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stellabb
条件1虽然说的是前年的数据,但是隐含给出未知数p的值;条件2给了总数,没给p是多少
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0 回复 2018-01-19 20:23:04
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11
From statement 1, we can find the percentage going into funds as the question stem says in each of the last five years it has donated the same percentage. From statement 2 we know the annual profits last year. Hence C is the answer
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0 回复 2017-11-18 04:46:28