Each employee of a certain company is in either

Question

Each employee of a certain company is in either Department X or Department Y, and there are more than twice as many employees in Department X as in Department Y. The average (arithmetic mean) salary is $25,000 for the employees in Department X and $35,000 for the employees in Department Y. Which of the following amounts could be the average salary for all of the employees of the company?

Indicate all such amounts.

1. $26,000
2. $28,000
3. $29,000
4. $30,000
5. $31,000
6. $32,000
7. $34,000