If your asking for what that would be called cause I don't understand what your asking but it would be called the midpoint
 
        
             
        
        
        
solution:
= $15 for 3 packages
= 5 packages per dollar (15/3)
 
        
             
        
        
        
I think it is 5 !!!!!!!!!!!!!!
        
             
        
        
        
Step-by-step explanation:

 
        
             
        
        
        
In this form, slope is simply the coefficient in front of <em>x.</em> Therefore, the slope of this graph is -1/4