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anonymous
 one year ago
At the annual dance of the Superheroes Club one year, each member showed up dressed either as Batman or as Superman. Of the 100 members attending, 76 were dressed as Batman, and 44 of these wore masks. All together, 51 members wore masks. What is the probability that a randomly selected member at the dance was dressed as Superman and wore no mask?
anonymous
 one year ago
At the annual dance of the Superheroes Club one year, each member showed up dressed either as Batman or as Superman. Of the 100 members attending, 76 were dressed as Batman, and 44 of these wore masks. All together, 51 members wore masks. What is the probability that a randomly selected member at the dance was dressed as Superman and wore no mask?

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