A marble tile measures 20 cm by 15 cm. How many tiles will be required to cover a wall of size 5 m by 3 m?

Question

Find the number of tiles, 20 cm x 14 cm x 6 cm, required to construct a wall 20 m long, 10 m high and 70 cm thick.
If 10% of the wall is filled with mortar.

Answer 1

500 tiles.
25 tiles * 20 tiles