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# How many bricks would you need if the area of a patio is 100 square feet and one brick is 3x 4''x 9''?

Updated: 10/17/2022

Wiki User

12y ago

The first step is to convert the total patio area to inches so we are working with the same units. 100sq ft = 14,400 sq inches. Now we need to calculate the number of square inches each brick takes up. Answer: 36 sq in. Now we just divide the total square inches of the patio by the square inches taken up by each brick: 14,400/36 = 400 bricks. It will take 400 bricks to make a 100 square foot patio.

Wiki User

12y ago

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Q: How many bricks would you need if the area of a patio is 100 square feet and one brick is 3x 4''x 9''?
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488 bricks.

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### How many bricks would you need if the area of a patio is 255 square feet and one brick is 18x18?

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### How many bricks would you need if the area of a patio is 140 square feet and one brick is 8 inches by 16 inches?

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1,350 of them.

### How many bricks would you need if the area of a patio is 190 square feet and one brick is 12x12?

Gee, a square foot is 12x12, difficult problem.

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### How many 16 inch bricks needed for a 256 square foot patio?

The question, as stated cannot be answered. You need to know two dimensions of the bricks to find the area of each brick, convert that area into square feet (if necessary) and then divide 256 by the area of each brick. Bricks are not usually square so it would not be appropriate for me to assume that the bricks are 16" by 16".

### How many 12x12 inch bricks would you need to build a 20x20 patio?

A 12 x 12 inch brick is 1 square foot. A 20 x 20 (foot) patio is 400 square feet, so you would need 400 bricks.. this assumes you are butting the bricks fairly tight, not leaving large seperations between them, etc...

### How many 12x12 inch brick would you need to lay a 308 square foot patio?

Each brick has an area of 1ft x 1ft ie 1 sq foot. So you would need 308 bricks.

### How many bricks would you need if the area of the patio is 50 square meters and one brick is 10 centimeter by 20 centimeters?

The answer will depend on the shape of the patio. If it curved then some bricks will need trimming and that will result in wastage and so a larger number of bricks will be required. Also, if the patio leaves a small fractional amount after a whole number of bricks, you will need a lot more bricks. As an extreme example, if the patio is 8 cm*625 metres then you will need 3125 bricks. However, if the shape is convenient, you will require 2500 bricks.

### How many bricks would you need if the area of a patio is 380 square feet and one brick is 12x12?

Technically, 2.6388888888888 etc. but 3. I'm assuming the brick is 12x12 feet here as that is the only unit you have mentioned...