HELP URGET PL A survey of 1,160 tourists visiting Orlando was taken. Of those surveyed:

265 tourists had visited the Magic Kingdom
272 tourists had visited LEGOLAND
283 tourists had visited Universal Studios
56 tourists had visited both the Magic Kingdom and LEGOLAND
74 tourists had visited both the Magic Kingdom and Universal Studios
86 tourists had visited both LEGOLAND and Universal Studios
33 tourists had visited all three theme parks
How many tourists had not visited any of these three theme parks?