Question 1195727
 the average age of my father, mother, aunt, cousin, niece, uncle, sister and myself is 25 years
 what was the total 3 years ago? 
:
The total years of 8 people with an average age of 25: 
8 + 25 = 200
the reduction of the age of of 8 people 3 yrs ago
8 * 3 = 24
therefore
200 - 24 = 176 yrs