Final answer:
The solution to the question involves basic arithmetic by adding the number of people. John, plus his two friends, makes a total of three individuals going out for pizza.
Step-by-step explanation:
John and two friends plan to go out for pizza. How many people, including John, will be in total for the outing? The question states that John and two friends plan to go out for pizza. So, there will be a total of 3 people including John.
The student's question pertains to basic arithmetic, which is a fundamental aspect of mathematics. The solution involves a simple count of individuals going out for pizza. Including John and his two friends, the total number of people attending the outing is three.
To arrive at this answer, we use addition: John (1 person) + two friends (2 people) equals 3 people. Therefore, the correct answer is option c) 3.