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Eighty percent of the lights at Hotel California are on at 8 p.m. a certain evening. However, forty percent of the lights that are supposed to be off are actually on and ten percent of the lights that are supposed to be on are actually off. What percent of the lights that are on are supposed to be ...
- by abhijitlandge
Thu Sep 20, 2012 2:07 am- Forum: GMAT Math
- Topic: Venn Diagrams PS
- Replies: 2
- Views: 1529