Twenty decades = 200 years
10
4 decades, 4 years
A decade is equal to 10 years. Convert the decades to years. The idea is to subtract the specified number of years from 1826.
A 1776-1976 no proof quarter dollar worth in 2012
76
20
A decade is 10 years, 200 years between 1776 and 1976 so the answer is 20 decades.
10
From 1776 -1976 there were 49 leap years.
The number of years between 1776 and 1976 is 200 years. You can calculate this by subtracting 1776 from 1976, which gives you 200.
200
200 of them.
4 decades, 4 years
200 of them.
3752
Please take another look. The U.S. was still at the start of the Revolution in 1776 and didn't issue any quarters until 2 decades later. You almost certainly have a Bicentennial quarter with the dual dates 1776-1976 in honor of the country's 200th anniversary.
200