2) A survey of superheroes found that 350 could turn invisible, 312 could fly, 180 were strong, 172 could turn invisible

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2) A survey of superheroes found that 350 could turn invisible, 312 could fly, 180 were strong, 172 could turn invisible

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2 A Survey Of Superheroes Found That 350 Could Turn Invisible 312 Could Fly 180 Were Strong 172 Could Turn Invisible 1
2 A Survey Of Superheroes Found That 350 Could Turn Invisible 312 Could Fly 180 Were Strong 172 Could Turn Invisible 1 (16.52 KiB) Viewed 33 times
2) A survey of superheroes found that 350 could turn invisible, 312 could fly, 180 were strong, 172 could turn invisible and fly, 50 could fly and were strong but couldn't turn invisible, 120 could only turn invisible and that's it, 20 had all three abilities, and 189 didn't have any of the three abilities. What proportion of the superheroes were strong and could turn invisible? Leave your answer as an unsimplified fraction of integers.
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