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?
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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?
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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:
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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