Answer:
N=5
First you would subtract 10 from both sides after that you would have 8n=40 then 8x5=40 so there
 
        
             
        
        
        
Percent means parts out of 100
80%=80/100=8/10=4/5
4/5 is simplest form
        
             
        
        
        
Hello there! 
I used a graphing calculator so I hope this helps...
 
        
        
        
Answer:
64
Step-by-step explanation:
64
Hope it helped!
 
        
                    
             
        
        
        
1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 = 6/3