Question

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

Answer 1

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

He is 18

Explanation:

Solution:

=x-5 = (x+8)/2

=2[x-5 = (x+8)/2]

=2x-10 = x+8

=2x-x=10+8

=x=18

ANS: x=18