In a group of 80 bracu-cse students, in this semester, 50% of them took CSE230, 70% of them took CSE111. If each peopletook at least one course, how many of them took ONLY CSE230?

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Answered: In a group of 80 bracu-cse students, in…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section: Chapter Questions

Problem 4T: Over the past year, John has purchased 30 books. In how many ways can he pick four of these books...

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In a group of 80 bracu-cse students, in this semester, 50% of them took CSE230, 70% of them took CSE111. If each people took at least one course, how many of them took ONLY CSE230?