Raduis of Can=1/2 of 12cm
R=6cm
Volume of Can= pi r ^{2} h
= pi 6 ^{2} 16
=1809.5573cm3
Volume of Meatball=4/3 pi r ^{3}
=4/3 pi 3 ^{3}
=113.09734
25% of can =
1809.5573/4
=452.389325
Meatballs in area = 25%of can/volume of meatballs
=452.389325/113.09734
=4 meatballs