the area of playground is 5900 sq . meters . what will be the cost of covering it with grass sheet 1 cm deep , if cost of grass sheet is $ 2.80 per cubic meter .
total volume * unit cost = total cost or , 5900 * 0.01 * 2.8 = total cost = 165 = c
multiply(2.8, multiply(5900, divide(1, const_100)))