There are three members in a family a man his wife and their son. The age of the man is 250% of the age of the son and the wife is 6 years younger than the man. If the average age of the family is 30 years. Find the ratio of the ages of the man, his wife, and their son.
1
20 : 17 : 8
2
10 : 7 : 4
3
25 : 19 : 10
4
15 : 13 : 6
5
19 : 25 : 10