To start our journey into the world of stained glass in the Aube department, here is a little mathematical riddle. Don’t worry, it’s easy.
Here it is:
Given that 8 0% of the world’s stained-glass windows are in France, that 80 % of French stained-glass windows are located north of the Loire river, that 80 % of stained-glass windows north of the Loire river are in the Champagne-Ardenne region and that 80 % of stained-glass windows in Champagne-Ardenne are in the department of Aube, what proportion of stained-glass windows does the department of Aube contain worldwide and in France?
Here is the answer (rounded off):
40 % of the world’s stained-glass windows and 50 % of French stained-glass windows