In numbers what is a score?

Question

in old english, they used a score as a number, what is a score in old english

Answer 1

a number.

Oh yeah, if that's what u meant.. a score is 20 years... (the guy below me is right)

Answer 2

If you're referring to the Gettysburg Address ('Four score and seven years ago...'), it's 20. 87 years before 1863 was 1776, the year of independence. So it works out to be twenty.