Answer:
The volume of the cylinder is about 1256.6 cubic meters.
Step-by-step explanation:
The volume of a cylinder is given by the formula:

Where <em>r</em> is the radius and <em>h</em> is the height.
Our radius is 10 meters and our height is four meters. Substitute:

Evaluate:

Thus, the volume of the cylinder is about 1256.6 cubic meters.
This is a percent problem which means
You take the amount that has been completed over the total amount. You then multiply it by 100%
30/120*100=25%
7x4x5= 140
Hope this helps!