In a company of 160 employees, 90 are females. A total of 80 employees have advanced degrees and the rest have a college degree only. If 40 employees are males with college degree only, how many employees are females with advanced degrees?  Choose the most appropriate option: A) 40 B) 45 C) 50 D) 55 E) 60
The number of males is 160-90= 
<gadget id="calculator">160-90</gadget>
<output>70</output>
70.   The number of males with advanced degrees is 70-40= 
<gadget id="calculator">70-40</gadget>
<output>30</output>
30.   The number of females with advanced degrees is   80-30= 
<gadget id="calculator">  80-30</gadget>
<output>50</output>
50.   The answer is 50.
<result>C</result>
In a company of 160 employees, 90 are females. A total of 80 employees have advanced degrees and the rest have a college degree only. If 40 employees are males with college degree only, how many employees are females with advanced degrees?