L LoriC New member May 19, 2010 #1 44 had membership to aquarium, 79 had membership to zoo, 28 had both memberships How many had only zoo membership? How many had aquarium membership? How many had neither? How many had either one or the other or both?
44 had membership to aquarium, 79 had membership to zoo, 28 had both memberships How many had only zoo membership? How many had aquarium membership? How many had neither? How many had either one or the other or both?
