Given:
10 workers produce 30 complex elements in 10 days.
To find:
The number of days, in which 5 workers produce 24 elements.
Solution:
According to the question, let as assume






where, n is number of workers, w is work done, and d is number of days.
We have, a formula,

Substituting the values in the above formula, we get


Isolate variable x.



Therefore, the required number of days is 16.