A group of 25 scientists works in a research lab. The average work

A group of 25 scientists works in a research lab. The average work experience of the entire group is 12 years. The male scientists have an average work experience of 14 years. What is the average work experience of female scientists, if there are 10 females in the group? A) 7 B) 9 C) 9.5 D) 8 (…)