Directors and managers

[ve_boss]

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

(1) The average (arithmetic mean) salary of the managers on the task force is $5,000 less than the average salary of all employees on the task force.

(2) The average (arithmetic mean) salary of the directors on the task force is $15,000 greater than the average salary of all employees on the task force

[Dynamo]

http://www.urch.com/forums/gmat-data...gmat-prep.html (GMAT Prep)

check this out...

[ve_boss]

Thanks !

[bose]

thanks for the link