The average monthly salary of a worker in a factory is Rs 2895. How much total salary is paid in one year if there are 987 workers in the factory?
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Answer:
⇒ Let x be the total worker in the factory.
The average salary of all worker in factory is 7000
∴ The total salary of all worker =7000x
The average salary of 9 mechanic is 5000
∴ Total salary of 9 worker =9×5000=45000
⇒ Total salary of rest of worker =4000(x−9)
⇒ 7000x=45000+4000(x−9)
⇒ 7x=45+4(x−9)
⇒ 7x=45+4x−36
⇒ 3x=9
∴ x=3
∴ Total worker =x+9=3+9=12
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Step-by-step explanation:
Let x be the total worker in the factory.
The average salary of all worker in factory is 7000
∴ The total salary of all worker =7000x
The average salary of 9 mechanic is 5000
∴ Total salary of 9 worker =9×5000=45000
⇒ Total salary of rest of worker =4000(x−9)
⇒ 7000x=45000+4000(x−9)
⇒ 7x=45+4(x−9)
⇒ 7x=45+4x−36
⇒ 3x=9
∴ x=3
∴ Total worker =x+9=3+9=12
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