a grain silo is in the shape of a cylinder with a hemisphere placed on top. the radius of the cylinder and the hemisphere is 24 feet and 6 inches. the height of the cylinder is 45 feet. the silo is 97% full with grain. the farmer is going to put all the grain in barrels that hold 20 gallons each. how many barrels is the farmer going to need?
Number of barrels the farmer is going to need is given by Volume of grain / volume of one barrel = 97/100 [(22/7)(49/2)^2 {45 + 49/3}] / [20*0.13368] = 41,979
