Question

A floor 8m 20 cm by 6m is to be coverd with tiles of size 20 cm by 15cm find the number of tiles come at 240 for 15 tiles​

Answer 1

Answer:

Rs. 26,240

Step-by-step explanation:

Area of the floor = 8.2m × 6m

$= 49.2m {}^{2}$

Area of one tile = 20cm × 15cm

$= 300cm {}^{2} = 0.03m {}^{2}$

Number of tiles that can cover the floor = 49.2/0.03 = 1640

Now, cost of 15 tiles =

Rs. 240

Cost of 1640 tiles = 1640 × 240/15

= Rs. 26,240

Answer 2

Answer:

A floor 8m 20cm by 6m is to be covered with a tiles of size 20cm by15cm. Find the number of tiles required and cost of the tiles come at 6´4240 for 15 tiles.

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Area of the floor is 820*600 = 492000 sq cm

Area of a tile is 10*15 = 300 sq cm

If you're allowed to cut the tiles to fit if needed:

492000/300 = 1640 tiles