score = 20
century = 100 years
20 + (2 × 100) = 220
220 years
A score of years is 20 years. A century is 100 years.
520
1,000 decades
34 centuries
300 years is three centuries. 100 years is one century.
One century is 0 years, so 700 years are 7 centuries.
20 years
There are 100 years in one century, so there are 24,500 years in 245 centuries.
One score is 20 years, which means that 4 scores are 80 years.
1000 years. One century is 100 years.
There are 100 years in one century. Therefore, 475 years is equal to 475/100 = 4.75 centuries.
A century is 100 years, so there would be 750 years in 7 1/2 centuries.