Find the number of bricks used to construct a wall of dimensions 7.5m,3.6m and 45cm .the dimensions of each brick are 25cm,12.5cm and 6cm
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No of bricks needed=volume of wall/volume of 1 brick
no of bricks= (7.5×100×3.6×100×45)/25×12.5×6
no of bricks= 12150000/1875
no of bricks=6480
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