30 years
until you are 20
A score is 20 years, so 10 scores is 200 years.
years to decade=/10 years to century=/100 example: 20 years=____decade =( 20 / 10 )decade =2 decade Note: / means divide
There 10 years in a decade.
20 years & 10 months
A Decade is 10 years. 200 x 10 is 2000.
20 decades 2 centuries = 200 years 1 decade = 10 years 200/10 = 20
About 20.
10 to 20 years
A decade is 10 years, so 2 is 20 years. In Greek " deca" means 10.
10 years. since he was 20.
10 years = 1 decade 20 years = 2 decades 30 years = 3 decades . . etc.