Use a Venn diagram to find the number of people in the sets.
1. L ∩ (F ∪ S)
2. (L ∪ F ∪ S)
3. L'
4. L ∪ S ∪ F'
5. F ∩ S' ∩ L'
A survey in a local high school shows that, of the 4000 students in the school,
2000 take French (F)
3000 take Spanish (S)
500 take Latin (L)
1500 take both French and Spanish
300 take both French and Latin
200 take Spanish and Latin
50 take all three languages.