Final answer:
To find the special sale price of the MP3, determine the wholesale cost and then apply the 20% discount.
Step-by-step explanation:
To find the special sale price of the MP3, we need to first determine the wholesale cost and then apply the 20% discount.
Let's assume the wholesale cost of the MP3 is represented by 'x' dollars. According to the information given, the original price of the MP3 is 50% more than the wholesale cost, which means the original price is 1.5 times the wholesale cost: 1.5x.
At the special holiday sale, the price of the MP3 was 20% less than the wholesale cost. To find the special sale price, we need to subtract 20% of the wholesale cost from the original price: 1.5x - 0.2x = 1.3x.
Therefore, the special sale price of the MP3 is 1.3 times the wholesale cost.