another easy one...I'm totally missing something....
#of employees Salary
5 $20,000
4 $22,000
8 $25,000
3 $30,000
The table shows the number of employees at each of four salary levels at Company X. What is the average salary for the 20 employees?
a) $23,500
b) $23,750
c) $23,750
d) $24,125
e) $24,250