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# In a company of 800 employees, 25% hold administrative positions. How

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Joined: 02 Sep 2009
Posts: 58434
In a company of 800 employees, 25% hold administrative positions. How  [#permalink]

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22 Jan 2019, 02:32
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45% (medium)

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52% (01:14) correct 48% (01:06) wrong based on 29 sessions

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In a company of 800 employees, 25% hold administrative positions. How many administrative employees would have to be added for the number of administrative employees to be 40% of the total number of employees?

A 80

B 120

C 200

D 320

E 400

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Concentration: Accounting, Finance
GPA: 3.68
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Re: In a company of 800 employees, 25% hold administrative positions. How  [#permalink]

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22 Jan 2019, 02:55
Bunuel wrote:
In a company of 800 employees, 25% hold administrative positions. How many administrative employees would have to be added for the number of administrative employees to be 40% of the total number of employees?

A 80

B 120

C 200

D 320

E 400

Number of current administers at org = 800 * 25% = 200 .

Now this 200 represents 25% . we want it to increase to 40% .

let we have to add x employees.

$$\frac{200 + x}{800 + x}$$=$$\frac{40}{100}$$

$$\frac{100 + x}{800 + x}$$=$$\frac{2}{5}$$

1000 + 5x = 1600 + 2x

3x = 600.

x = 200.

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In a company of 800 employees, 25% hold administrative positions. How  [#permalink]

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Updated on: 22 Jan 2019, 10:41
Bunuel wrote:
In a company of 800 employees, 25% hold administrative positions. How many administrative employees would have to be added for the number of administrative employees to be 40% of the total number of employees?

A 80

B 120

C 200

D 320

E 400

adminstrative employee = 800*.25 = 200
x+200/x+800 = 40/100
x= 200
IMO C

Originally posted by Archit3110 on 22 Jan 2019, 05:32.
Last edited by Archit3110 on 22 Jan 2019, 10:41, edited 1 time in total.
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Joined: 10 Feb 2018
Posts: 31
GMAT 1: 550 Q46 V20
In a company of 800 employees, 25% hold administrative positions. How  [#permalink]

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22 Jan 2019, 08:21

The updated number of admin employees is 40% of the total number of employees.
Therefore the other employees is 60% of the total employees

So 600=60% of total employees.
Total (updated) number of employees= 1000

So no of employees to be added is 1000-800= 200 new admin employees.

Bunuel wrote:
In a company of 800 employees, 25% hold administrative positions. How many administrative employees would have to be added for the number of administrative employees to be 40% of the total number of employees?

A 80

B 120

C 200

D 320

E 400
In a company of 800 employees, 25% hold administrative positions. How   [#permalink] 22 Jan 2019, 08:21
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