Answer:
i think its 8 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
10.45?
Step-by-step explanation:
 
        
                    
             
        
        
        
Pennies (P) = 24
Nickels = 1/2P 
Dimes = 1/2P + 5
Quarters = (1/2P + 5) -6
Therefore...
Nickels = 1/2P = 1/2(24)= 12
Dimes = 12 + 5 = 17
Quarters = 17 - 6 = 11
        
             
        
        
        
The diameter is 16 so that is the answer<span />