Answer:
Proportional relationships are relationships between two variables where their ratios are equivalent. 
Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".
I really recommend watching Khan Academy's video over proportional relationships, the speaker explains it very well!!
 
        
                    
             
        
        
        
Answer:
Figure 1 
Step-by-step explanation:
3^+ 4^-7/2=8
 
        
             
        
        
        
Multiply $12,000 with .32. Then add the answer to $12,000