Question

Bob wants to cover the floor of a room 3 m wide and 4 m long by squared tiles. If each square tile is of side 0.4 m, then find the number of tiles required o cover the floor of the room.​

Answer 1

Area of square is 4*3=12

Area of 1 tile is 0.4*0.4=0.16

Number of tiles is 12/0.16=75

Answer 2

Answer:

75 tiles

Step-by-step explanation:

Length of floor -- 4m & Breadth -- 3m

Area of floor -- 3×4 -- 12m

Side of square a tile -- 0.4m

Area of a tile -- 0.16m

Required tiles -- (12×100)/16 -- 75