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Perimeter

How many tile...

Question

How many tiles of area $15 c m^{2}$ will be needed to covers a floor $5.85 m$ by $6.90 m$ ?

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Solution

Number of tiles required $= \frac{Total floor area}{Area of 1 tiles}$
$= \frac{5.85 \times 6.90 m^{2}}{15 \times 10^{- 4} m^{2}}$
$= 2.691 \times 10^{4}$
$= 2691 t i l e s$

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