Well I don't get what the other parts of the question is asking, but they can make 240 packs of pencils.
Step-by-step explanation:
1.answer is 6.9667738478
2 answer is 42.872454448
3answer is 14.1339764202
4answer is 0.0857449089.
No, because something extra is being added/divided and there are too many variables on one side
Answer
(9-j)-3
Step-by-step explanation:
