No.of interns = 6
No.of managers = 2
The work done by an intern = x
The work done by the manager = y
Therefore,
6x+2y = 5(x+y)
6x+2y = 5x+5y
6x-5x = 5y-2y
1x=3y
x/y = 1/3
Therefore, the ratio of the working capacities of an intern and a manager is 1:3