First, 1 dozen is 12 units, so
Now, to solve the exercise you can use the rule of three. So, you have
*How many pounds of meat are recommended to feed 1 dozen people?
Therefore, 3 pounds of meat is recommended to feed a dozen people.
*How many pounds are recommended to feed 4 people?
Therefore, 1 pound of meat is recommended to feed 4 people.
*How many pounds are recommended to feed 1 person
Therefore, 1/4 pound of meat is recommended to feed 1 person.