A vase is a truncated cone.
12 cm diameter
Find the volume of the vase.
-2 is the right
to determine the unit cost your would divide the total cost by the number sold.
7 bagels for $4.41 $4.41/7 = $.63 each at fresh side
5 bagels for $3.60 $3.60/5 = $.72 each at value mart