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

Author Message
Manager
Joined: 22 Sep 2010
Posts: 89

Kudos [?]: 231 [0], given: 0

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

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08 Oct 2010, 04:37
00:00

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 [?]: 231 [0], given: 0

Manager
Joined: 22 Jun 2010
Posts: 56

Kudos [?]: 79 [0], given: 10

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

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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

Kudos [?]: 79 [0], given: 10

Manager
Joined: 17 Apr 2010
Posts: 96

Kudos [?]: 59 [0], given: 12

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

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08 Oct 2010, 06:40
Yes it should be 408 i.e C

Kudos [?]: 59 [0], given: 12

Re: 40% of the employees in a factory are workers...   [#permalink] 08 Oct 2010, 06:40
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