How many square tiles with a side of 2dm will be needed for laying the floor of a room that

univerkov | September 3, 2021 | education

How many square tiles with a side of 2dm will be needed for laying the floor of a room that is 6m long and 4m 6dm wide?

1) We find out what area the floor has, if it is known that its dimensions are 6 m and 4 m 6 dm.

6 m = 60 dm.

4 m 6 dm = 46 dm.

6 * 46 = 2760 dm².

2) Find out what area one tile has if it is square with a side of 2 dm.

2 * 2 = 4 dm².

3) Find out how many tiles of 4 dm² are needed for a floor with an area of 2760 dm².

2760/4 = 690 tiles.

Answer: for a floor with an area of 2,760 dm², 690 tiles with an area of 4 dm² are needed.

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