Answer:
about 7.6 days long
Step-by-step explanation:
42 divided by 5.52 = about 7.6
Well I don't get what the other parts of the question is asking, but they can make 240 packs of pencils.
Answer:
-15a+d
Step-by-step explanation:
5a-20a+12d-11d
-15a+d