larryarmstrong85351 larryarmstrong85351

24-05-2024
Mathematics

Answered

Two hundred people were surveyed and asked if they believed in UFOs, ghosts, and Bigfoot.
72 believed in UFOs
76 believed in ghosts
66 believed in Bigfoot
28 believed in UFOs and ghosts
24 believed in ghosts and Bigfoot
22 believed in UFOs and Bigfoot
12 believed in all three
How many people surveyed believed in at least one of these things?

Answer :

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