Step-by-step explanation:
Recall that

Therefore,

so


Answer:A
Step-by-step explanation: Hope this helped. Let me know if it did.
I don't know if I'm right, but if each pencil is 10.5 grams then you multiply it by 5 ( number of pencils) and you get 52.5, which would not meet the standards of a pack weighing 60 to 95 grams.