Question

Jack is 5 times as old as his son. After 15 years his age will be double his son’s age.
What is the present age of Jack?

Answer 1

$\huge \underline \frak \pink {★彡A᭄ɴsᴡᴇʀ彡★}$

JACK = 25 YEARS

Answer 2

Let the present age of Jack's son be xyears

the age of jack=5xyears

After 15 years

Jack's son age=x+15

Jack's age=5x+15

=x+20

a/q. x+20=2x+15

20-15=2x-x

5=x

present age of Jack's son =x=5years

present age of jack=x+20=5+20=25years