math discussion 1

One hundred sixty people were surveyed and asked if they believed in UFOs, ghosts, and Bigfoot.

            42 believed in UFOs                           45 believed in ghosts

            21 believed in Bigfoot                        11 believed in UFOs and ghosts

            6 believed in ghosts and Bigfoot          4 believed in UFOs and Bigfoot

            2 believed in all three                         

How many people surveyed believed in at least one of these things?

Show your work by creating and sharing an appropriate Venn diagram.

You can use the following free web tool accessed at http://www.classtools.net/education-games-php/venn_intro to create your Venn diagram and simply copy and paste the URL in your post by using the "Insert Quicklink" button: