Conglomeration of wonders

Ton of Portland cement=20 bags.
Cubic foot of Portland cement weights 90 to 94 lbs, when loosely field. Average weights of 1:2:4 concrete; coke breeze aggregate 100 lbs, per cubic foot; clinker aggregate 110 lbs, per cubic foot; brick aggregate 125 lbs; per cubic foot, ballast 145 lbs, per cubic foot.
Average weight of 1:2:4 reinforced concrete, 150 lbs cubic foot.
Cubic feet of loose Portland cement paste will make about:
4.1 cu. Ft. of concrete mixed 1:2:4 5.8 cu ft of concrete mixed 1:3:6
5.1 cu. Ft. of concrete mixed 1:2 1/2:4 7.5 cu ft of concrete mixed 1:4:8
Cubic foot of loose Portland cement neat as cement paste will cover about 9.5 sq feet, 1 inch think.
Cubic foot of loose Portland cement to 2 of sand will cover 16.8 sq. feet, 1 inch thick.
Cubic foot of loose Portland cement to 2 of sand will cover about 29 sq. feet, 1 inch thick.
Cubic foot of loose Portland cement to 3 of sand will cover 35.7 sq. feet, 1 inch thick.