20*2=40
40*50=2000
2000/60=33.33
about 33 hours by lifting by hand
Answer:
To calculate the volume of a cylinder, you need the radius or diameter of the circular base or top and the height of the cylinder. The volume of a cylinder is equal to the product of the area of the circular base and the height of the cylinder. The volume of a cylinder is measured in cubic units.
Answer:
Step-by-step explanation:
U right it’s not any of them and if u single I’m here