a rectangular piece of plastic sheet measure 1 metre by 70 cm find its cost @ 80 rupees per square metre
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1
Area=1m ×70cm
=1m ×0.7m=0.7 sq. metre
Cost=80×0.7
=Rs56
=1m ×0.7m=0.7 sq. metre
Cost=80×0.7
=Rs56
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Cost of plastic sheet = Area X Cost
Area of a rectangle = Length X Breadth
Since the cost in mentioned in the unit of square meters, we need to find out the area in meters.
1 m = 100 cm, Therefore 70 cm = .70 m
Area of the plastic sheet = 1 m X 0.7 m = 0.7 square meters
Cost = 0.7 X 80 = 56 Rupees
Area of a rectangle = Length X Breadth
Since the cost in mentioned in the unit of square meters, we need to find out the area in meters.
1 m = 100 cm, Therefore 70 cm = .70 m
Area of the plastic sheet = 1 m X 0.7 m = 0.7 square meters
Cost = 0.7 X 80 = 56 Rupees
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