Quote: Originally Posted by johngalt
It's a mathematical trick. The first part allows the orignal number to be multiplied by 100 and added to 250. The second part (adding the 1758) brings it to a nice round number that, when manipulated correctly (i.e. subtracting your birth year) reveals your age plus the original number multiplied by 100.
think about it....
time 2 = 2x
+5 = 2x + 5
X50 = 100x + 250....
and so on.
Of course, as soon as next year starts, the numbers 1758/1757 have to be incremented by 1 for it to work....
Cause it is 2009 - hence you need to adjust it (1758) by one also.