A score is a 'group of 20' in numbers. So, that would be 20 years. Lincoln's 'four score and seven' was to indicate 87 years.
A score is equal to twenty. "Four score and seven years" is eighty-seven years.
Four score and seven years, which is 87 years as a score is slang for 20.
A score in time eans 20 years "four score and seven years ago" means 87
yes. http://en.wikipedia.org/wiki/20_(number)
A score is 20 years.
1 score = 20 years 1 score = 20 years
Twenty is a score so twenty years is a score of years.
A score is twenty years. So four score and seven is (4 X 20) + 7 years or 87 years. However, the usual quote is three score and ten years (70 years) which represented the life expectancy in those days.
Since score is defined as 20, 4 score is 80. I am assuming by 4 score you mean 4 score years (as opposed to 4 score seconds, minutes, etc.). Since 4 score is 80, 4 score years is 80 years.
years in 4 score
One score is 20 years, which means that 4 scores are 80 years.