There ar 4persons so each will pay

Only two persons have spent more money than everyone average i.e mia and Jasmin.
Now 
- Mia has-28.47
- Jasmin has=20.99
Mia left more money so she saved most money.
 
        
             
        
        
        
Answer:
Y=1/3
Step-by-step explanation:
X=k/y
So let's make k the subject of formula
k=xy
x=1,y=5
So let's substitute
k=1×5
k=5
So we are to determine the value for y when x is 15
So let's solve
Y=k/x
Y=5/15
Y=1/3
Y=0.333333~0.3
 
        
             
        
        
        
Answer:
−25x^2+5x−1/2
Step-by-step explanation:
 
        
             
        
        
        
<span> 9-4x=57
-4x = 57 - 9
-4x = 48
   x = -12</span>
        
                    
             
        
        
        
Solve the exponents first:


Add the results together:

The answer is 
35.