Answer:
y = 20
Step-by-step explanation:

 If this is right, then please make it the brainliest. 
 
        
             
        
        
        
Answer:575
Step-by-step explanation: deltamath
 
        
             
        
        
        
Answer:
Ambitious
Answer
Find out the what is the percentage of this discount .
To prove
Formula
Discount = Marked price - selling price
As given
a jar of natural peanut butter normally costs $4.00 .
 it's on sale for $3.60 .
thus
 Marked price = $4.00
selling price = $3.60
put in the above formula
Discount = 4.00 - 3.60
               = 0.4
Formula
put the value
Discount percentage = 10%
Option (a) is correct .
Hence proved