If 70% of students in a school play football, 50% play basketball, and 20% play both, what percentage of students play either football or basketball?
Practice Questions
1 question
Q1
If 70% of students in a school play football, 50% play basketball, and 20% play both, what percentage of students play either football or basketball?
100%
90%
80%
70%
Using inclusion-exclusion, the percentage of students who play either sport is 70% + 50% - 20% = 100%.
Questions & Step-by-step Solutions
1 item
Q
Q: If 70% of students in a school play football, 50% play basketball, and 20% play both, what percentage of students play either football or basketball?
Solution: Using inclusion-exclusion, the percentage of students who play either sport is 70% + 50% - 20% = 100%.
