Answer:
The volume of the cylinder is
cubic feet.
Step-by-step explanation:
From Geometry we remember that volumes of a cone and a cylinder with the same radius (
), measured in feet, and height (
), measured in feet, are defined by the following equations:
Cone
(1)
Cylinder
(2)
The ratio of the volume of the cylinder to the volume of the cone is:
(3)
If we know that
, then the volume of the cylinder is:

The volume of the cylinder is
cubic feet.
Well just plug those two numbers into the equation: 7(3) - 3(2) Which equals 15 so B) 15
The 60$ system had a greater percentage decrease because it was a lower number to begin with. Taking the same portion out of two different numbers will always be a greater decrease for the lower number.