Answer:
$50
Step-by-step explanation:
If the original price was $10 more than the sale price, so we know that in this case, 20% = $10. Because 20% is equivlalent to 
, multiply $10 by 5 to get the answer of $50.
 
        
             
        
        
        
Assuming linear.
if k is at (3,4) and j is at (-8,7)
set. (y1,x1) and(y2,x2)
[(y2-y1),(x2-x1)]
[(-8-3),(7-4)]
distance from k to j is (-11,3)
now take coordinates of j and distance from. k->j and add them to get coordinate for L
[(-11+(-8)),(7+3)]= (-19,10)=L
        
             
        
        
        
Account A
Total-$1800
Interest-$800
Account B-
Total-$2191.12
Interest-$1191.12
Account B by $391.12
        
             
        
        
        
The answer is 30. 
8 x 5 =40 
40 - 10 = 30
        
                    
             
        
        
        
23/50 is 0.46 so the percentage would be 46%