The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother

The average age of the mother and her six children is 12 years which i

1.	The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother
A.	40
B.	41
C.	42
D.	43
Answer» D. 43