Problema Solution

Five years ago, John’s age was half of the age he will be in 8 years. How old is he now?

Answer provided by our tutors

sol. let the present age of john be x years

        now, according to the question

                   x-5 = 8/2

                   => x = 5+4

                   => x =9

 therefore, john's present age is 9 years