1 pound = 16 ounces
If you have 6 pounds of horsehair,
16 ounces × 6 pounds = 96 ounces
One pull weights about 0.011 ounces, in order to find how many pulls you can make with 96 ounces of horsehair, you divide 96 ÷ 0.011 .
96 ÷ 0.011 = 8727 (rounded to whole number)
8727 pulls could be made from 6 pounds of horsehair.