Fun and Games Trick Question 1

[InformationGuy]

Hi everyone,

If I had a sister half my age when I was 6, when I turn 70 how old will she be?

 

[Nerd]

I've got an ansver

Spoiler

67

 

[Freedom! Nero]

67???????

(Note: I'm bad at this)

 

[IvyPlayGamez]

67...
she is not half your age, you simply are 3 years older
kinda like me and my bro and I ^^ he is not 14