Find the number of bricks, each measuring 25 cm x 12.5 cm x 7.5 cm required to construct a wall 6 m long, 5 m high and 0.5 m thick, while the cement and sand mixture occupies 1/20 of the volume of the wall.
Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.