Well I don't get what the other parts of the question is asking, but they can make 240 packs of pencils.
where's the rest of question so I can help?
Answer: Look at the picture ⬇️
Answer:
D
Step-by-step explanation:
Replace R1 with 1 and R3 with 0 you have -2(1)+0 which equals 0 and that matches matrix II. Repeat the process with the other numbers in R1 and R3 and they all come out equal therefor the answer is D.