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in Surface Areas And Volumes by (49.9k points)

The area of courtyard is 3750 m2. Find the cost of covering it with gravel to a height of 1cm if the gravel costs ₹ 6.40 per cubic meter.

1 Answer

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by (51.6k points)
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Best answer

We know that 1cm= 0.01m

Given that area of courtyard is 3750 m2

Volume of the gravel = area × height

V = 3750 × 0.01 = 37.5 m3

Also given that the cost of covering it with gravel to a height of 1cm if the gravel costs

₹ 6.40 per cubic meter.

There the cost is 37.5 × 6.40 = ₹ 240

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