Respuesta :

Final Price is $10.40

Step-by-step explanation:

In this question we are using the percentage formula which is y/100 times x = z

so we do 20/100 x 13 = 2.60

Now we subtract 2.6 from 13 because $2.60 was the discount price

so we get $10.40

DISCOUNT=MINUS

13-20%= 10.40

:))