The area of playground is 5700 sq. meters. What will be the cost of covering it with grass sheet 1cm deep, if cost of grass sheet is $2.80 per cubic meter.  Choose the most appropriate option: A) a) $144 B) b) $150.50 C) c) $159.6 D) d) $158.60 E) e) $160.70
total volume * unit cost = total cost   or, 5700 * 0.01 * 2.8 = total cost = 159.6=c) $159.6
<result>C</result>
The area of playground is 5700 sq. meters. What will be the cost of covering it with grass sheet 1cm deep, if cost of grass sheet is $2.80 per cubic meter.