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[Data Sufficiency]

试题详情

题目:

A total of $60,000 was invested for one year. Part of this amount earned simple annual interest at the rate of x  percent per year, and the rest earned simple annual interest at the rate of y  percent per year.  If the total interest earned by the $60,000 for that year was $4,080, what is the value of x ?
(1)  
(2)   The ratio of the amount that earned interest at the rate of x  percent per year to the amount that earned interest at the rate of y  percent per year was 3 to 2.

选项:

答案:

C

提问:

题目没有读明白,请老师解释一下

解答:

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阅读4759
解答: sysadmin

提问:

第二句话but of…这句怎么理解呢?是一部分以x算,一部分以y算吗?那么1,2不是都是sufficient的吗?

解答:

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阅读4752
解答: 姜山老师

提问:

题目没有读明白,请老师解释一下

解答:

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阅读4760
解答: sysadmin老师

提问:

这个分开的关系没写立刻就觉得无法判断啊

解答:

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阅读4744
解答: sysadmin老师

提问:

我觉得从题干中已经可以得一个方程60000*(x+y)=4080,然后条件1和2都又各给了一个方程,因此错选D

解答:

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阅读4772
解答: sysadmin老师

提问:

这道题错选了B 觉得给了两个比例可以算出x

解答:

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阅读4747
解答: sysadmin老师

提问:

不明白解说~而且这个解说特慢。。。。 题目已经给出利息的总和,不是已经是一个方程式了吗?然后任意一个选项也是一个方程。那不就两个方程,能算出答案了吗?为什么不是D?

解答:

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阅读4756
解答: sysadmin老师

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