The area of playground is 3650sq.m . Find the cost of covering it with gravel 1.2cm deep, if the gravel cost₹6.40 per cubic metres
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area x height = volume
3650 x 0.012= volume. ( 1.2cm = 0.012m)
volume = 43.8
cost = 43.8x 6.40
= Rs 280.32
3650 x 0.012= volume. ( 1.2cm = 0.012m)
volume = 43.8
cost = 43.8x 6.40
= Rs 280.32
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