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40% of the employees in a factory are workers. All the remai
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11 Apr 2019, 16:26
11 Apr 2019, 16:26
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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
(A) 390
(B) 405
(C) 408
(D) 415
(E) 420
Re: 40% of the employees in a factory are workers. All the remai
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11 Apr 2019, 20:26
11 Apr 2019, 20:26
1
Carcass 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
(A) 390
(B) 405
(C) 408
(D) 415
(E) 420
Explanation::
Let the total employee be = 100
40% of the employee are worker = 40
hence the number of executive = 60
Av. income of all the employees = (40100)∗390+(60100)∗420=156+252=408
gmatclubot
Re: 40% of the employees in a factory are workers. All the remai [#permalink]
11 Apr 2019, 20:26
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