5.4
That's your answer because if the number is 5 or larger, you round up. Because 6 is larger than 5, it rounds up to zero and then the 3 becomes a 4.
        
                    
             
        
        
        
Answer:
i think it is 5:17
Step-by-step explanation:
length=50
perimeter=170
the highest factor of 50 and 170 is 10 so the answer will be 5:17 
hopefully this made sense 
 
        
             
        
        
        
Answer:
75%
Step-by-step explanation:
 %
%
 
        
             
        
        
        
Huh? 
You forgot something.