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On july 1of last year, the total number of employees at

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Manager
Manager
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Joined: 11 Jan 2006
Posts: 232
Location: Arkansas, US
WE 1: 2.5 yrs in manufacturing
Followers: 1

Kudos [?]: 6 [0], given: 18

On july 1of last year, the total number of employees at [#permalink] New post 02 Oct 2006, 20:25
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A
B
C
D
E

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
On july 1of last year, the total number of employees at company E was decreased by 10%. Without any change in the salaries of the remaining employees, the average employee salary was 10% more after the decrease in number of employees than before the decrease. The total of the combined salaries of all of the employees at company E after July 1 last year was what % of that before July 1 last year?

a. 90%
b. 99%
c. 100%
d. 101%
e. 110%

plzzz..post explanation
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VP
VP
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Joined: 25 Jun 2006
Posts: 1176
Followers: 2

Kudos [?]: 41 [0], given: 0

 [#permalink] New post 02 Oct 2006, 21:39
T1 for total salary before the decrease.
T2 for that after decrease.
n for hte no of employees before decrease.

u get:

(T1/n)(1 + 10%) = T2/( n*(1-10%) )

u get T2/T1 = 99%

hence B.
  [#permalink] 02 Oct 2006, 21:39
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On july 1of last year, the total number of employees at

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