Take the coordinates 
Ex. 
(-5,-1) and count it on the chart
The first number is your x value and ur second number is ur y 
Y= up and down
X= side to side
        
             
        
        
        
The discount is 65%
sorry for the mistake
        
             
        
        
        
Answer:
Step-by-step explanation:
Divide: 3/13 = 3 ÷ 13
3/13 = 0.230769230769...
B) is your answer
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