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

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In May Mrs Lee's earnings were 60 percent of the Lee [#permalink] New post 08 Oct 2008, 06:16
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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 rest of the family's income is same for 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%
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Re: PS : GMAT Prep Word Problem [#permalink] New post 08 Oct 2008, 07:53
May Earnings:
================
Lets say Mr. Lee's earnings= $60
Rest of the family earnings = $40

June Earnings:
==============
Lee earned 20% more = 60(1 + 0.2) = 72
Rest of the family earnings remained same = $40

that make Lee's earnings 64% of total

thanks
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Re: PS : GMAT Prep Word Problem [#permalink] New post 08 Oct 2008, 12:02
The answer is C . 72%.

Let Lee's earning be L and family's earning be L1.

May's earnings :

Lee's earnings : L = 6L1/10
Family's earnings :
So L1 = 10L/6

June's Earning :
Lee's earning : 6L/5.

So 6L/5 is 72% of 6L/10.


Smahamkl : If we assume family's earning as 40$ then shouldnt Lee's income for May be 24$ instead of 60$ ?
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Re: PS : GMAT Prep Word Problem [#permalink] New post 08 Oct 2008, 12:54
amitdgr wrote:
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 rest of the family's income is same for 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%



lees family income may = 1000 , lee = 600, rest of the family = 400

june = 720

total family income = 400+720 = 1120

720/1120 = 72/112 = 36/56 = 18/28 = 9/14 *100 = approx 64%..........A
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Re: PS : GMAT Prep Word Problem [#permalink] New post 08 Oct 2008, 13:11
amitdgr wrote:
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 rest of the family's income is same for 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%


64.28%

A

tricks u to C if u ignore to adjust for the family income

i would prolly pick C on a test when in a hurry
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Re: PS : GMAT Prep Word Problem [#permalink] New post 08 Oct 2008, 19:29
spiridon wrote:
amitdgr wrote:
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 rest of the family's income is same for 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%


64.28%

A

tricks u to C if u ignore to adjust for the family income

i would prolly pick C on a test when in a hurry


OA is A.

I picked C :( I fell in the trap designed in the question.
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Re: PS : GMAT Prep Word Problem [#permalink] New post 09 Oct 2008, 03:31
amitdgr wrote:
spiridon wrote:
amitdgr wrote:
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 rest of the family's income is same for 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%


64.28%

A

tricks u to C if u ignore to adjust for the family income

i would prolly pick C on a test when in a hurry


OA is A.

I picked C :( I fell in the trap designed in the question.

I too had picked C ,solved within 30 sec but wrong answer !!!!
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Re: PS : GMAT Prep Word Problem   [#permalink] 09 Oct 2008, 03:31
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