The ratio of the ages of A to B two years ago was 13 : 15 13:15 13 : 15 . After $5$ years from now, B's age will be $4$ years more than A's ag...
Question
The ratio of the ages of A to B two years ago was . After $5$ years from now, B's age will be $4$ years more than A's age. What is the present age of B (in years)?