I think the answer is: 8mn^2-24m
        
             
        
        
        
Answer:15
Step-by-step explanation:
 
        
                    
             
        
        
        
Z varies inversely as w ⇒ z*w=k
when z=7 and w=8 ⇒ 7*8=56=k
when w=14 ⇒ z*14=56
⇒z=56/14
⇒ z=4
        
             
        
        
        
20 skittles double the number of red
the red skittles have 10 skittles the orange skittles have 20 so its additon
20
+
10
------
30