How many metres of carpet $63 c m$ wide will be required to cover the floor of a room $14 m$ by $9 m$ ?

200 m

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700 m

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220 m

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185 m

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Solution

The correct option is A $200 m$
Area of the floor $= (14 \times 9) m^{2} = 126 m^{2}$

$∴$ Length of the carpet $= \frac{126}{63} \times 100 m = 200$ metres

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How many metres of carpet 63cm wide will be required to cover the floor of a room 14m by 9m?

The correct option is A 200 mArea of the floor =(14×9)m2=126m2∴Length of the carpet =12663×100 m=200 metres

How many metres of carpet $63 c m$ wide will be required to cover the floor of a room $14 m$ by $9 m$ ?

The correct option is A $200 m$
Area of the floor $= (14 \times 9) m^{2} = 126 m^{2}$

$∴$ Length of the carpet $= \frac{126}{63} \times 100 m = 200$ metres