Let the current age of Ben is x years .
After 16 years, Ben's age increases by 16, that is x+16 years .
But it is given that, Ben's age at that time is three times of the present age = 3x
So we have
[tex] x+16 = 3x => 2x=16=> x= 8yrs [/tex]
Therefore the current age of Ben is 8 years .
