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

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Manager
Joined: 03 Jul 2006
Posts: 175
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Of the 800 employees in the company X, 70 percent have been [#permalink]

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22 Jul 2006, 16:18
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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]
Senior Manager
Joined: 14 Jul 2005
Posts: 402
Followers: 1

Kudos [?]: 28 [0], given: 0

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22 Jul 2006, 17:35
(560-y) = 60/100(800-y)

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

Ans A ...
Senior Manager
Joined: 12 Mar 2006
Posts: 365
Schools: Kellogg School of Management
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22 Jul 2006, 17:53
(800-y)*0.6 = 560-y
0.4y = 560 - 480 => y = 200
Director
Joined: 28 Dec 2005
Posts: 752
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22 Jul 2006, 18:47
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, 18:47
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