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In May Mrs Lee's earnings were 60 percent of the Lee family's total in

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In May Mrs Lee's earnings were 60 percent of the Lee family's total in [#permalink] New post 17 Dec 2006, 13:29
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In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 20 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?

(A) 64%
(B) 68%
(C) 72%
(D) 76%
(E) 80%

OPEN DISCUSSION OF THIS QUESTION IS HERE: in-may-mrs-lee-s-earnings-were-60-percent-of-the-lee-family-94987.html
[Reveal] Spoiler: OA

Last edited by Bunuel on 04 Sep 2014, 11:57, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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Re: In May Mrs Lee's earnings were 60 percent of the Lee family's total in [#permalink] New post 17 Dec 2006, 17:07
Say May income = 100
L's income = 60 and rest of the family = 40
In June L's income = 60 * 120 /100 = 72

So 72 /72 + 40 = 64%
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Re: In May Mrs Lee's earnings were 60 percent of the Lee family's total in [#permalink] New post 17 Dec 2006, 17:13
Let in May Lee family's total income =100
in May Mrs Lee's income =60
in May rest of the family's income = 40

In june Mrs Lees income = 60*120/100 = 72
In june Total income = 72+ 40 = 112
% of Mrs Lee's income = 72/112 =64.28

(A) is the best Ans
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Re: In May Mrs Lee's earnings were 60 percent of the Lee family's total in [#permalink] New post 04 Sep 2014, 11:05
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Re: In May Mrs Lee's earnings were 60 percent of the Lee family's total in [#permalink] New post 04 Sep 2014, 11:58
Expert's post
In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 20 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?

(A) 64%
(B) 68%
(C) 72%
(D) 76%
(E) 80%

Let total income of the family be 100$. In May Mrs Lee's earnings were 60 percent = 60$. Rest of the family's earnings = 40$.

In June family's earnings did not change = 40$, Mrs Lee's earnings = 60$*1.2 = 72$. Total = 40 + 72 = 112$. Mrs Lees share = \frac{72}{112}\approx{64%}.

Answer: A.

OPEN DISCUSSION OF THIS QUESTION SI HERE: in-may-mrs-lee-s-earnings-were-60-percent-of-the-lee-family-94987.html
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Re: In May Mrs Lee's earnings were 60 percent of the Lee family's total in   [#permalink] 04 Sep 2014, 11:58
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