The area of playground is 5400 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.
Pick
A) a) $144
B) b) $150.50
C) c) $151.2
D) d) $158.60
E) e) $160.70
total volume * unit cost = total cost   or, 5400 * 0.01 * 2.8 = total cost = 151.2=c) $151.2
<result>C</result>
The area of playground is 5400 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.