The answer depends on where his wife and children lived and whether or not the taxpayer chooses to file a joint return. If his wife and children lived for more than six months at the home in the United States and she qualifies for EITC, he would qualify for EITC if he filed a joint return with his spouse. If his wife and children lived with him for more than six months outside the U.S., he would not qualify.
On average there are: 6 slices per small (8-10) pizza, 8 slices per 12 inch pizza (medium), 10 slices on a large (14-16) pizza and 12 slices on an extra-large pizza. You should confirm the number of slices before ordering because this will vary between pizza providers.
Well as per the number of slices in a large pizza, it is actually enough for 3-4 people at ease. Surely, it depends on the hunger of people who are about to consume one, however, in general, you may say that a large pizza is suitable for 3 people with two slices per person.