Venn Diagrams!:)-Kayla

1.) A upside down U B=middle and its called the intersection
2.) A U B= everything in the 3 sections and its called the union
3.) A with line= everthing but A
4.) B with line= everthing but B
5.) A= middle section and A section
6.) B= middle section and B section
7.) A upside down U B, with a line on top- everything but the intersection
8.) A U B with a line on top of everything= just the number in the bottow left corner
9.) A U B line on top of B= everything but the B
10.) A upside down U B line on top of B= just A
11.) A upside down U B line of top of A= just B
12.) A U B line on top of A= everything but B

Example:
40 people went to the beach, 25 got bitten by mosquitoes and 12 got sunburned and 7 got both. how many got none?
Answer: 10! :)