Every student in my school is in either French class or Spanish class, or both. Let x be the number of students in French class, y be the number of students in Spanish class, and z be the number of students who are in both classes. Find an expression in terms of x, y, and z for how many students there are in my school.

Question

anonymous · Answer

x+y-z is the total number of students

anonymous · Answer

total students in school = x + y -z

anonymous · Answer

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