Answer:
51
Step-by-step explanation:
To figure out how many 0.25 lb pieces are in 12.8 lb slab of brisket, you need to divide 12.8 ÷ 0.25, which equals 51.2. Since you can't put the 0.2 of a piece in a sandwich, that gives you 51 pieces, which makes 51 sandwiches.