Why in 2018 ?

Why in 2018 can everyone add their age to their birth year and it always comes out to 2018 ?
Any math wizards out there who can explain this ?
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Why in 2018 can everyone add their age to their birth year and it always comes out to 2018 ?
Any math wizards out there who can explain this ?
Comments
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Your premise is incorrect.
When I add my age to my birth year, it comes up to 2017. That is because my birthday has not yet occured this year.
The only day of the year that your premise is correct, is Dec 31st, as at that point, everyone's birthday that year has occured.
Steve
What a time to be alive!
I knew a guy that when you gave him a date he would tell you what day of the week it was.
Uhh .... is there any year when this isn’t true?
It must be nice to live in a state where marijuana is legal.
DesertIceSports.Com
How do you determine your age? Subtract the age you were born from the year that it is now if your birthday has already occurred. It’s the same thing. Not exactly earth shattering. Ha.
Year you were born. Sorry
I think maybe you were looking for the 1st grade homeroom?
This is the geeks who learned math from the back of baseball cards homeroom, did you really
think you would fool anyone here?
SON!!!
Mom, you want me?
Not since you were born.