10 years = 1 decade 20 years = 2 decades 30 years = 3 decades . . etc.
There are 20 years in two decades.
1 decade equals 10 years. So 2 decades is equal to 20 years.
There are 200 years in 20 decades
There are 20 decades in two centuries There is 200 years in two centuries and 10 years in a decade. 10 years x 20 decades = 200 years or two centuries
20 decades = 2 centuries or 20*10 = 200 years
A decade is 10 years, 200 years between 1776 and 1976 so the answer is 20 decades.
20 years.
20 years.
20 decades 2 centuries = 200 years 1 decade = 10 years 200/10 = 20
A score is 20 years. A decade is 10 years. So in 10 decades we've had 100 years. Thus there are 5 scores in 10 decades. 10 Years/1 Decade x 10 Decades ÷ 20 years/1 score = 5 scores
No two centuries is 200 years; two decades is 20 years.