A father is 7 times as old as his son. Two years ago, father was 13 times as old as his son. What are their present ages?

A father is 7 xx as add as his son.Two years ago.The father was 13 xx as old as his son.What are their present ages?

A man is thrice as old as his son. Five years ago the man was four times as old as his son. Find their present ages.

Eighteen years ago, a father was three times as old as his son. Now the father is only twice as old as his son. Then the sum of the present ages of the son and the father is

A man is twice as old as his son. 18 yr ago, the man was three times as old as his son. Find the present age of the man