A room is $4 m 20 c m$ long and $3 m 65 c m$ wide. How many square meters of carpet are needed to cover the floor of the room

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Solution

Find the area of carpet required to cover the floor
We have given, length of carpet = $4 m 20 c m$ = $4.2 m$
breadth of carpet = $3 m 65 c m$ = $3.65 m$
Area of carpet is needed to cover the floor = Area of the floor of the room
$= L e n g t h \times b r e a d t h$
$= 4.2 m \times 3.65 m$
$= 15.33 m^{2}$
Hence, area of carpet required to cover the floor of the room is $15.33 m^{2} .$

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