Acylinder has a volume of 321 cubic units. if a cone has the same height and radius as the cylinder, what is the volume in cubic units?

a.107 cubic units
b.214 cubic units
c.642 cubic units
d.963 cubic units

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3