Answer: The pack of 20.
Step-by-step explanation:
It is because a pack of 20 sells for 2.50 for each pencil, and the pack of 12 sells for 2.51 per pencil, so that means the pack of 20 is cheaper.
 
        
             
        
        
        
Answer:
2.82843
Step-by-step explanation:
it was what i got
 
        
                    
             
        
        
        
Answer:
i believe the first one
Step-by-step explanation:
 
        
                    
             
        
        
        
30/8=3.75
So, you need 4 trays, since you can't have 75% of a tray.
Hope this helps