There are 5 decades in 50 years.
fifty decades
One decade is equal to 10 years. Therefore, 5 decades is equal to 5 x 10 = 50 years.
A half century or fifty years
Five centuries or fifty decades.
Fifty. There are 10 decades in every century, so 10 * 5 = 50.
There are 3.5 decades in 35 years
12.2 years = 1.22 decades
There are 20 years in two decades.
16 decades and 4 years.
There are 12 decades in 120 years.
230 years = 23 decades
96 decades and 9 years.