One century consists of 100 years. One-fifth of a century is equal to 20 years (100 years divided by 5). Therefore, there are two decades in one-fifth of a century.
There are 5 decades in half a century.
1 century= 100 years. 1 decade= 10 years. So: 100+ 10(5) (5 decades) = 150 years.
They are equivalent.
your head
1/2
Write 3 decades as a fraction of 20
A half century or fifty years
no a century is 100 years (10 decades)
It is 20/100, which can be simplified, if required.
It is: 40/100 = 2/5 of a century
53 decades Yup. A decade is ten years. A century is 100 years. 5 centuries are 500 years so 500 divided by 10 is 50. Add the three other decades and you get 53.
1 year = 12 months so 5 decades = 5*10 = 50 years = 50*12 = 600 months!