Question

A room is $4m$ long and $3m50cm$ wide. How many square meters of carpet are needed to cover the floor of the room?

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Solution

Givenlength of carpet $=4m$breadth of carpet $=b=3m50cm=3.50m$ Find outWe have to determine the area in square metersSolutionWe know that area of a rectangle is given byArea of rectangle = length $×$ widthArea $=l×b\phantom{\rule{0ex}{0ex}}$ $=4×3.50\phantom{\rule{0ex}{0ex}}=14{m}^{2}$Hence, the area of carpet$=14{m}^{2}$

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