Answer:
Unit price = $8.50 per disc.
Explanations:
According to the information given, we have that 3 compact discs cost $25.50. The unit price is equal to the cost of 1 disc. The unit price is expressed as:

Given the following parameters
• Cost of 3 compact discs = $25.50
,
• Total discs = 3 discs
Substitute the given parameters into the formula:

Hence the unit price of the compact disc is $8.50 per disc.