A score is 20, so four-score is 80.
100 years. 1 score is 20 years
A score is 20 so 4 score = 80 years
20 years a score is about 20 years. not About exactly 20The question should really be: How many years are there in 1 score years?Because score is just of size 20.Ie. "Four score Horses" == "80 Horses"
four = 4, score = 20. 4 score is 4 x 20 = 80