20%of 120 is what number

Explain why the factor 1.5 is broke. into two numbers in the model.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Through which points should a line of rotation be placed to create a cylinder with a radius of 3 units