Question

Jatin 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 0.5 m, then find the number of tiles required
to cover the floor of the room. And find the total cost if a tile cost is 2.5Rs (5)
how did 1200/25 come in the last second step to find the answer

Answer 1

Answer:

No. of tiles required = 48

Cost of covering the room = Rs 120

Step-by-step explanation:

Area of the room

= L x B

= 4 x 3

= 12m²

Area of the square tile

= a²

= 0.5 x 0.5

= 0.25m²

= 25/100m²

No. of tiles needed

= Area of Room ÷ Area of Tile

= 12 ÷ 25/100

= 12 x 100/25

= 1200/25

= 48

Cost of covering the room

= No. of tiles x Cost of 1 Tile

= 48 x 2.5

= Rs 120