Answer: oringial sale price = $40
Step-by-step explanation:
Find 25% of the sale price and add it to the sale price to find the original price
So - 10% - is 3.2
20% - is 3.2 x 2 =6.4
5% - is 3.2 divided by 2 = 1.6
25% - 6.4 + 1.6 = 8
Original sale price - $8 + $32 = $40