Answer:
0.545455
Step-by-step explanation:
 
        
             
        
        
        
He has to buy 4 packs. If you divide 23 by 6, you get 3.833 but you can’t buy a fraction of a pack so you have to round up and buy 4 packs. Hope this made sense; I can explain further if needed!
        
             
        
        
        
Answer:
1 tens   3 ones
Step-by-step explanation:
All you do is count the numbers in the place value chart.
Since 31-18=13, all you do is count 10+1+1+1=13.
 
        
             
        
        
        
Answer:
The simplified version is 17y + 6.
Step-by-step explanation:
14y + 6 + 3y
17y + 6
 
        
                    
             
        
        
        
Answer:
The answer is option B.
Step-by-step explanation:

Hope this helps you