How many metres of carpet 120 cm wide will be required to cover a floor 125 metres long and 36 metres wide? What will be the cost of this carpet at 11.20 per metre?
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Answer:
Area of the carpet
= area of the floor of the room
=20×12 sq.m.
=240 sq.m.
Width of the carpet =75cm=
4
3
m
∴ Length of the carpet =
Width
Area
=
4
3
240
=320 metres
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