Five pumpkins have the following weights 12Ibs, 15 oz , 9Ibs, 2Ibs , 96 oz move it to the lightest to heaviest

Icould really use some with this question.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale