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Area of wall = 8*12*8*12 = 9216 sq inches.

Area of each brick = 4*8 = 32 sq inches.

Therefore, number of bricks required = 9216/32 = 288.

This assumes that the thickness of the wall is 1 brick and that the mortal between bricks occupies no space. For an 8 ft x 8 ft the first is probably not a good idea and the second is totally unlikely.

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10y ago
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Q: How many 4 inch by 8 inch bricks are needed to build a wall 8 ft by 8 ft?
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