MATH-PLEASE HELP :(
posted by Jen on .
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region.
(2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40)
How in the world do i input this in my calculator?? I have no idea how to do this....