A score is 20 and three score is 60. Three score cubits means 60 cubits, a measure of length.
60
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.
If you are thinking of the word 'score' as a span of life, it is of biblical origin, Leviticus 12 and Psalms 90 which quotes 'there is a use of it that refers to a span of our lives' - 'the days of our years are three score years and ten'. Also borrowed by Shakespeare in Macbeth as 'Three score and ten I can remember well,' The span of life was then considered to be three score and ten, in other words 70 years
A score is defined as 20 years. So it would be 60 years.
That would be 77. The word "score", when speaking of years or numbers, comes to mean "20".
60 years
A score is 20 and three score is 60. Three score cubits means 60 cubits, a measure of length.
One score is 20 years. Five score is 100 years (does not dose).
Score = 20
a score is 20 twenty years, so score half means 10 years.
Three score and 9 centuries would be 3 X 20 + 9 = 69 centuries, or 6,900 years. A score is simply 20, just as a dozen is 12. A score of years would be 20 years, four score and seven apples would be 4 X 20 + 7 = 87 apples.
60
A score is twenty years, so 4 score is 80 years and 'four score and seven' means 87 years.
A score is equal to twenty. "Four score and seven years" is eighty-seven years.
"Three score and ten" in the nursery rhyme "The Four and Twenty Blackbirds" refers to the number 70. In the context of the rhyme, it signifies the age of the "old woman" who was baking the pie with the blackbirds in it.
20 years.