Question

The average salary of the staff of a software company is rs. 10,000 per month. The average salary of the engineers in the development team is rs. 30,000 and that of those in the technical support team is rs. 9,000. If the number of engineers working in the development team is 20, what is the number of engineers working in the technical support team?

Answer 1

Let the no. of engineers in the techinical support team be X

According to ques..

10000=30000×20 +9000x / 20+x

200000+10000x =600000+9000x

-400000=-1000x

x=-400000/-1000=400

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Answer 2

Dear Student,

● Answer -

400 engineers

● Explaination -

Let x be no of engineers working in the technical support team.

Average salary of staff is calculated by -

Average salary = (20×30000 + 9000×x) / (20 + x)

10000 = (600000 + 9000x) / (20 + x)

10000 (20 + x) = 600000 + 9000x

200000 + 10000x = 600000 + 9000x

10000x - 9000x = 600000 - 200000

1000x = 400000

x = 400000 / 1000

x = 400

Hence, 400 engineers are working in technical support team.