years to decade=/10
years to century=/100
example:
20 years=____decade
=( 20 / 10 )decade
=2 decade
Note: / means divide
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There are 200 years in 20 decades
1 decade equals 10 years. So 2 decades is equal to 20 years.
A decade is 10 years, 200 years between 1776 and 1976 so the answer is 20 decades.
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
A decade is 10 years. Since there are 20 years from 1942 to 1962, that would be 2 decades.