Question 109338
V=1/3*PI*R^2*H
V=(3.14*7^2*9)/3
V=1,384.74/3
V=461.58 CUBIC FT OF SAND.
461.58/2.6*27 [THE 27 IS THE NUMBER OF CUBIC FEET IN A CUBIC YARD.] 
461.58/70.2
6.57 TRUCK LOADS NEEDED TO REMOVE THE SAND.