Find the number of the bricks, each measuring 25 cm by 12.5 cm by 7.5 cm, requir

Find the number of the bricks, each measuring 25 cm by 12.5 cm by 7.5 cm, required to build a wall 6 m long, 5 m high and 50cm thick, while the mortar occupies 5% of the volume of the wall.

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