Question

Select the correct answer from the drop-down menu. The walls of a storage building are built from stone. The stonework costs $5.50 per square foot. The building is 12 feet by 15 feet and 10 feet tall. How much does It cost to build the storage building walls? It costs $ to build the storage building.

Answer 1

We need to find the lateral surface area of this rectangular prism (storage)

This area is given by:

`\begin{gathered} L_A=2(12\cdot10)+2(15\cdot10) \\ L_A=540ft^2 \end{gathered}`

Since it cost $5.50 per ft², the total cost is:

`540\cdot5.50=2970`

Answer:

$2970