20: the number of minutes it takes to go from Inwood to midtown Manhattan.
40:
答案 1
200: the age of
答案 2
859:
答案 3
1,200:
答案 4
9,000: the number of
答案 5
10,000:
答案 6

答案
the number of minutes it takes to walk from one end of Fes-al-Bali to the other;
(in years)a farmhouse in Inwood;
the year that the University of Al-Karaouine opened in Fes-al-Bali;
the age (in years)of Fes-al-Bali;
the number of streets in Fes-al-Bali;
the number of businesses in Fes-al-Bali