Each employee on a certain task force is either a manager or a director. What percent of the employees on a task force are directors?

A.) Average salary of the managers on the task force is 5,000 less than the average salary of all employees on the task force.

B.) Average salary of the directors on the task force is 15,000 greater than the average salary of all employees on the task force.

Please include approach.





OA C.