Answer:
Option 1 is the correct fraction as a division problem 
 
        
                    
             
        
        
        
Answer:
7.5
Step-by-step explanation:
(15/5)-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.2=0
 
        
             
        
        
        
Answer:
the answer is 879
Step-by-step explanation:
 
        
                    
             
        
        
        
1/3 because reciprocal is the opposite
        
                    
             
        
        
        
The perimeter is the distance all the way around. So it's the sum of the lengths of all 4 sides.
From the picture, you can clearly see the lengths of all 4 sides.
Writum down and adum up !