Final answer:
The total cost of padding for walls, excluding the bathroom, requires knowing the total number of walls needing padding. Multiplication of the quantity by the unit price of $5.75 will provide the total cost.
Step-by-step explanation:
To calculate the total cost of padding needed for all walls except the bathroom, we would need to know the number of walls that require padding. However, since this information is not provided in the question, we cannot give an exact total cost from the data available. The price for each piece of padding is $5.75, so if you can determine the number of walls, simply multiply that by $5.75 to find out the total cost.