Final answer:
Without knowing the standard size of the brick, it is not possible to determine the exact number of bricks needed to cover a 20,000 square foot area. Assuming a standard US brick size, approximately 130,719 bricks would be required, which does not match the provided options.
Step-by-step explanation:
The question is asking for the number of common bricks needed to cover a 20,000 square foot area. To determine the answer, we need to know the standard size of a common brick and then calculate how many such bricks would be required to cover the given area. However, without specific information about the size of the brick, we cannot accurately calculate the number of bricks required. Generally, a standard US brick size is 7 5/8 x 2 1/4 x 3 5/8 inches, which covers a surface area of 22 square inches when laid with mortar. To convert this to square feet, there are 144 (12x12) square inches in a square foot, so each brick covers approximately 0.153 square feet (22 / 144).
To find the number of bricks needed for 20,000 square feet, we would use the formula:
Number of bricks = Total square footage / Square footage per brick
We then divide the total square footage by the square footage covered by one brick:
Number of bricks = 20,000 / 0.153 ≈ 130,719
This is not one of the options provided, hence, there may have been a miscommunication in the question or we may need more information about the size of the bricks being used in this scenario.