A bathroom measuring 3.6 m long, 3 m wide and 2.4 m high is to be covered with ceramic tiles. If each tile measures 20 cm x 30 cm and the floor is to be completely covered with two adjacent walls, calculate the:
surface area to be covered with ceramic tiles.
number of tiles needed.
If a square meter of tiles costs 15 Naira. How much would be saved if only the floor and the small wall is to be covered?