84
40
it is 100 bags of sand/ballast
you would need 23 bags OK
You will need about 7 25kg bags of cement.
The Hessian Sugar bags weighed 25Kg.
There are 907.18 kilograms in one tonne. Divide that by 25 kilograms and you get 36.28 bags of sand.
40
25 litre bags of what? Hydrogen: each 25 litre bag weighs about 2.2g, so about 444939 bags are needed for 1 tonne Mercury: each 25 litre bag weighs about 338.4 kg, so about 3 bags are needed for 1 tonne.
10
2500 dekagrams is 25kg
55.12lb is 25kg