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40% of the employees in a factory are workers...

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Manager
Manager
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Joined: 22 Sep 2010
Posts: 89

Kudos [?]: 223 [0], given: 0

40% of the employees in a factory are workers... [#permalink]

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New post 08 Oct 2010, 05:37
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

50% (03:00) correct 50% (01:16) wrong based on 4 sessions

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40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is $390.The annual income of each executive is $420. What is the average annual income of all the employees in the factory together?

A. 390
B. 405
C. 408
D. 415
E. 420

Kudos [?]: 223 [0], given: 0

Manager
Manager
avatar
Joined: 22 Jun 2010
Posts: 56

Kudos [?]: 78 [0], given: 10

Re: 40% of the employees in a factory are workers... [#permalink]

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New post 08 Oct 2010, 05:43
pzazz12 wrote:
40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is $390.The annual income of each executive is $420. What is the average annual income of all the employees in the factory together?

A. 390
B. 405
C. 408
D. 415
E. 420


0.4x390 + 0.6x420 = 408 --> C

Kudos [?]: 78 [0], given: 10

Manager
Manager
avatar
Joined: 17 Apr 2010
Posts: 96

Kudos [?]: 58 [0], given: 12

GMAT ToolKit User
Re: 40% of the employees in a factory are workers... [#permalink]

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New post 08 Oct 2010, 07:40
Yes it should be 408 i.e C

Kudos [?]: 58 [0], given: 12

Re: 40% of the employees in a factory are workers...   [#permalink] 08 Oct 2010, 07:40
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40% of the employees in a factory are workers...

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