Each brick is 4/12 * 8/12 = 1/3 * 2/3 = 2/9 sq feet.
To cover 196 sq ft you will require a minimum of 196 / (2/9) = 196*9/2 = 882 bricks.
That is the mathematical answer. It assumes that the shape of the patio, and its dimensions, are such that there is no wastage - that all offcuts are used. In "real" life, you would be advised to get at least 5% extra.
38
A lot !!
About 14 bricks should do it.
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".
Gee, a square foot is 12x12, difficult problem.
450 bricks
488 bricks.
38
A lot !!
115 should do it!
About 14 bricks should do it.
1,350 of them.
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".
Gee, a square foot is 12x12, difficult problem.
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.
1333.3
2700 4" x 8" bricks (plus 10% waste)