Four score years, or eight decades.
Wiki User
∙ 6y agoAnonymous
8
There are two fifths in four tenths.
One is five fifths. Five fifths and four fifths is nine fifths.
Its 10. 10 decades = 1 century.
10 decades in 1 century
There are 20 decades.
There are 5 decades in half a century.
Learn your math...JK 6 and four fifths is written like so: 6.4 so two fifths.
There are two fifths in four tenths.
There are 4......
Ten
Ten decades is one century.
ten