After the contractor cut the 3.25 foot piece off the 12 foot piece of lumber, 8 3/4 feet of lumber was left. He than made 6 cuts to have 7 pieces of wood 1 1/4 feet long.
I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.