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

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In May Mrs. Lee's earnings were 60 percent of the Lee's [#permalink] New post 04 Apr 2007, 15:55
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A
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C
D
E

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In May Mrs. Lee's earnings were 60 percent of the Lee's 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, 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 Percentage [#permalink] New post 04 Apr 2007, 16:08
nitinneha wrote:
In May Mrs. Lee's earnings were 60 percent of the Lee's 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, 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%


Initially family earned 100$ and Lee earned $60

After 20% jump Lee earned 72

So % of lees = 72/112 (since family sal still is 40 $ whereas leesa is 72)

A
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 [#permalink] New post 04 Apr 2007, 16:12
OA is A.

I didn't read the question carefully. Shoooooooooooooooottttt

thanks trivikram

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 [#permalink] New post 05 Apr 2007, 01:57
my approach is solving by equations rather than putting values for such problems-

let Lee's income in may = L
Family income = X+ L where x is the other members' income.
in may L = 0.6(X + L) ===> X = 2L/3
in june Lee's income = 1.2L
In june family's income = X + 1.2L
ratio of Lee's income to the family's income in june = 1.2L/(X+1.2L) = 9/14
Hence answer is 'A'
  [#permalink] 05 Apr 2007, 01:57
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