A survey of 215 tourists were taken.  The survey indicated t…

A survey of 215 tourists were taken.  The survey indicated the following: 105 of the tourists planned to visit Disney 115 plan to visit Universal Studios 63 plan to visit Busch Gardens 46 plan to visit Disney and Universal 37 plan to visit Universal and Busch Gardens 29 plan to visit Disney and Busch Gardens 20 plan to visit all three destinations How many tourists plan to visit none of the three destinations?