Since it says the number  x , this means x represents a number , reduced by 25 means that this is most likely half of 25 so whats half of 25%?
well 5 * 5 = 25 , so here is your answer  = 5
        
             
        
        
        
Here! not sure if it's right but i'm pretty confident. boom
 
        
        
        
Answer:
y = -2x - 2
Step-by-step explanation:
 
        
                    
             
        
        
        
 First, set up a ratio: 

The first fraction is the percentage (30% and 

 are the same thing) and the second is the loan payment (which is equal to the 30 in the first fraction) over their annual income (

).
 First you divide $15,680 by 30, then multiply that quantity by 100. The value calculated then replaces 

 in your second fraction: 
 
 
        
        
        
Divide the numerator on the fraction