Verified answer

5 m = 500 cm; so 500/20 = 25 tiles will fit along that side.

20 m = 2000 cm; so 2000/20 = 100 tiles will fit along that side.

So the floor is 25 tiles x 100 tiles = 2500 tiles.

Answer:

60 tiles

Step-by-step explanation:

Area l*b

= 12 *20 = 240

no. of tiles = 240/4 = 60 Ans