Math Problem Statement
In a class of 25 students, 17 like pizza and 13 like spaghetti. What is the greatest possible number of students who dislike both pizza and spaghetti (note that some may not like either)?
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Set theory
Principle of inclusion-exclusion
Formulas
Inclusion-exclusion principle formula: n(P ∪ S) = n(P) + n(S) - n(P ∩ S)
Theorems
-
Suitable Grade Level
Grades 7-9