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20 decades are in 2 centurarys
25 years
1/10
No. 1 decade = 10 years 20 decades = (20 *10)= 200 years 2 centuries = 200 yrs. They are the same.
20 decades= 20(10)=200 yrs 2 centuries= 100(2)=200 yrs So they're equal, unless there's a trick to the question