There are 10 years in a decade. Therefore, 30 years is equal to 30/10 = 3 decades.
A decade consists of ten years, so thirty years is three decades.
thirty two years
a decade is ten years so 3 of them would be thirty(30) years. thirty
3 decades
There are 3.5 decades in 35 years
thirty 300 / 10 = 30
score and a half. or three decades. Also the period oft accorded to delineate a 'generation'
There are 5 decades in 50 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.