0.21 is greater than 0.12 because it in the 20s
X^2 +14x -8 / x-3
= x + 17 with a remainder of 43
See attached picture for solution.
Original price marked on the item = €450
rate of discount = 12%
A.
Discount amount = €450 × 12/100 = €54
So amount of reduction is €54
B.
Sale.price = original price - discount
= €450 - €54
= €396
Sale price is €396.