The ratio in the table for distance covered in meters to time taken in hours is constant. Let d = distance covered in 15 hr. Let t = time taken to cover 8 m. Which table shows the correct values for t and d? A. B. C. D.

For the original cone:
V = pi*h*r^2 = x
The upper half of the cone has half the height and half the radius of the original cone of volume x, so its volume is calculated as:
V = pi*(h/2)*(r/2)^2 = (1/8)*pi*h*r^2 = x/8

Therefore the volume of the other piece (the frustum) is x - (x/8) = 7x/8 cubic centimeters.