Which decimal is value is equilvent to 1/5 is .2
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given:

Required:
Solve for y (make y the subject of the formula)
SOLUTION:

Square both sides 


Subtract both sides by x

Divide both sides by 2

 
        
             
        
        
        
For the second problem the answer D, -9, -11
        
             
        
        
        
If we made it into a ratio of residential customers to business customers, it would be a 2:1
350/2 = 175
350 + 175 = 525
525 total customers