Answer:
240 employees.
Step-by-step explanation:
If number of employee increases, then the number of instructors also increase.So, Direct proportion.
Let the number of employees participated = x
24:2 :: x :20
Product of Means = Product of extremes
2*x = 24*20
[tex]x=\frac{24*20}{2}=24*10=240[/tex]