Question

the floor of a room is 12 m long and 6 m wide the floor of this room is to be fitted with tiles of dimension 10 cm x 2 cm what will the total expense in Rupees if the cost of tiling is 5 atile​

Answer 1

Explanation:

1 m = 100 cm

12 m = 1200 cm

6 m = 600 cm

Area of room = l × w

Area = 1200 × 600

Area = 720000 cm²

Area of tile = l × w

Area = 10 × 2

Area = 20 cm²

Total tile = 720000/20 = 72000/2 = 36000

Cost = 36,000 × 5

Cost = $ 180000

Answer 2

Explanation:

the price is 5 per tile ?

the area of the rectangular room is

12×6 = 72 m²

each m² has 100×100 = 10000 cm²

so, we have for the total area in cm²

72 × 10000 = 720000 cm²

one tile has 10×2 = 20 cm²

so, how many tiles will we need ?

720000 / 20 = 72000 / 2 = 36000 tiles.

so, if truly 1 tile costs 5 Rupees, then we have

36000 × 5 = 180000 Rupees as total costs.