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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: 91
Followers: 1

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

40% of the employees in a factory are workers... [#permalink] New post 08 Oct 2010, 04:37
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E

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0% (00:00) correct 100% (01:16) wrong based on 1 sessions
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
Manager
Manager
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Joined: 22 Jun 2010
Posts: 57
Followers: 1

Kudos [?]: 6 [0], given: 10

Re: 40% of the employees in a factory are workers... [#permalink] New post 08 Oct 2010, 04:43
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
Manager
Manager
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Joined: 17 Apr 2010
Posts: 109
Followers: 2

Kudos [?]: 50 [0], given: 12

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Re: 40% of the employees in a factory are workers... [#permalink] New post 08 Oct 2010, 06:40
Yes it should be 408 i.e C
Re: 40% of the employees in a factory are workers...   [#permalink] 08 Oct 2010, 06:40
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40% of the employees in a factory are workers...

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