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
thirty 300 / 10 = 30
There are 3.5 decades in 35 years
A period of thirty years is called a "trio-decade" or simply a "thirty-year period."
There are 5 decades in 50 years.
230 years = 23 decades
There are 20 years in two decades.
16 decades and 4 years.
96 decades and 9 years.