Answer:
20%
Step-by-step explanation:
400/2000=0.2
0.2*100=20
 
        
             
        
        
        
15/35
3/7.................
        
                    
             
        
        
        
All ratios have to simplified because it’s easier for the person to find the difference when breaking it down into lowest terms!
        
             
        
        
        
Answer:
b=5d+5f
solve for b by simplifying both sides and then isolating the variable. 
 
        
                    
             
        
        
        
4is thex the yintercept is -8