If the cost of two CDs is $28, then the cost of one CD is $28/2 = $14.
Therefore, the cost of five CDs is $14 \times 5 = \boxed{70}$.The answer is: 70
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
If the total cost of two identical CDs is $28, what is the cost, in dollars, of five of these CDs?

### Answer:
