Carol was sending out birthday invitations to 12 friends. She bought 3 packs each one having the same number of invitations. How many invitations are in each pack?
. Carol is sending out invitations to 12 friends. She bought 3 packs. This means she bought a total of 36 invitations. We know that each pack has the same number of invitations. This means that if we divide 36 by 3, we will know how many invitations are in each pack. 36 divided by 3 equals 12. This means that each pack has 12 invitations.