Question

Square tile of side 20 cm are to be laid
on the floor of a room 10m by 4.
5m.
how many tiles will be needed? Find
the cost of putting the tiles at 131.40
per tiles​

Answer 1

Answer:

No. of tiles=area of floor/area of tile

=(10m×4m)/(0.2m)²

= 40m²/0.04m²

=1000

Cost = 131.40 ×1000

= 13140