A sweater is on sale for 20% off the original price, x. Which statement explains why x−0.2x and 0.8x can each find the sale price of the sweater?

AA decrease of 2% is the same as multiplying by 80%.

B.A decrease of 20% is the same as multiplying by 80%.

CAn increase of 20% is the same as dividing by 80%.

D.An increase of 20% is the same as multiplying by 80%.