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Of the 800 employees in the company X, 70 percent have been

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Manager
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Of the 800 employees in the company X, 70 percent have been [#permalink] New post 22 Jul 2006, 15:18
Of the 800 employees in the company X, 70 percent have been with the company for atleast 10 years. If y of these long term members were to retire and no other employee changes were to occur, what value of y would reduce the percent of long term employees in the ompany to 60 percent

A) 200
B) 160
C) 112
D) 80
E) 56[/img]
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 [#permalink] New post 22 Jul 2006, 16:35
(560-y) = 60/100(800-y)

5(560-y) = 3(800-y)
2800-5y=2400-3y
400=2y
=>y=200

Ans A ...
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 [#permalink] New post 22 Jul 2006, 16:53
(800-y)*0.6 = 560-y
0.4y = 560 - 480 => y = 200
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Re: GMAT Prep: pecents [#permalink] New post 22 Jul 2006, 17:47
rkatl wrote:
Of the 800 employees in the company X, 70 percent have been with the company for atleast 10 years. If y of these long term members were to retire and no other employee changes were to occur, what value of y would reduce the percent of long term employees in the ompany to 60 percent

A) 200
B) 160
C) 112
D) 80
E) 56[/img]


(560-y)/(800-y)=0.6

solving, y=200
A
Re: GMAT Prep: pecents   [#permalink] 22 Jul 2006, 17:47
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Of the 800 employees in the company X, 70 percent have been

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