12*12 = 144
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How many tons of lime stone is needed to build a wall 6 ft high 936 sq ft
320
6 sq. yds
125
Math says 4 1/2 4"x8" bricks are needed to cover 1 sq. ft. So 9 bricks will cover 2 sq ft. That needs to happen 500 times so you need 9x500 or 4500 bricks sized 4"x8" to cover 1000 sq ft.