A rectangular piece of plastic sheet measures 1 metre by 70 cm. Find its cost at the rate of rupees 80 per square metre
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A rectangular piece of plastic sheet measures 1 metre by 70 cm. Find its cost at the rate of rupees 80 per square metre
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Step-by-step explanation:
length of plastic sheet = 1 m
breadth of plastic sheet = 70 cm = 0.7 m
area of plastic sheet = l × b
= 1 × 0.7
= 0.7 sq m
cost of plastic sheet 80 per meter
= 80 × 0.70
= 56
therefore the cost of 0.70 sq m of plastic sheet is Rs. 56
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