是我错了还是答案错了

secretnancy · 发表于 2010-8-21 17:06:09

62. 7564-!-item-!-187;#058&005577
Alice's take-home pay last year was the same each month, and she saved the same fraction of her take-home pay each month. The total amount of money that she had saved at the end of the year was 3 times the amount of that portion of her monthly take-home pay that she did not save. If all the money that she saved last year was from her take-home pay, what fraction of her take-home pay did she save each month?
(A) 1/2
(B) 1/3
(C) 1/4
(D) 1/5
(E) 1/6

答案为D
我选C
是我错了还是答案错了

ntuman · 发表于 2010-8-21 17:10:34

這題答案沒錯

你可以參考一下這邊
http://gmatclub.com/forum/alice-s-take-home-pay-confusing-words-88218.html

lt9988 · 发表于 2010-8-21 17:18:22

答案是正确的。LS注意下，它说的是全年的节省的钱是她一个月未节省的钱的3倍。

secretnancy · 发表于 2010-8-21 17:18:55

读题目要认真呵呵教训
谢谢楼上~

cenya · 发表于 2010-8-21 17:23:26

这一年存的钱是它每个月没有存的薪水的3倍，就是说每个月的存款Y是每个月扣除完存款的薪水X的1/4，即Y=1/4X，Y是从X中取出，所以Y/(X+Y)=1/5

是我错了还是答案错了

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