Answer:
12 yards of silk
Step-by-step explanation:
okay so 1 yard = 36 inch so 2+3+6= 11 yards
now 1/2 of 36 is 18 inchs
6 inchs
and 1/3 of 36 is = 12
now add 12+18+6 = 36 = 1 extra yard so add that to 11 to get 12
200 smaller lots
10 ÷ 1/20 = 200
increase by 12
3rd one
