
Answer:
Step-by-step explanation:
Let x represent the fraction of employees that are male. Then the average salary is ...
 1560x +1260(1 -x) = 1500
 300x +1260 = 1500
 x = 240/300 . . . . . . subtract 1260, divide by 300
 x = 80%
The employees of the company are 80% male and 20% female.