Question

A floor is covered by 800 tiles of side 10 cm. How many square tiles of side 8 cm would be needed to cover the same floor?​

Answer 1

Answer:

1250

Step-by-step explanation:

Area of Tile of Side 10 cm = 100cm^2

Area of Tile of Side 8 cm = 64cm^2

Area of floor = 800 X 100

                         80000cm^2

No. of tiles needed = 80000 / 64

                                    1250

Answer 2

Answer:

If the floor is covered by 800 tiles that measure 10 cm2, then the total area covered is 800 x 10 or 8000 cm2. The new tiles cover 8cm by 8cm, or 8 x 8 = 64 cm2. Simply divide 8000 by 64 to get the answer, 125 tiles.

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