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Fred and Bobbie are book collectors, and Fred has twice as many books as Bobbie does. One-fourth of Fred’s books are signed by the authors, and three-fifths of Bobbie’s books are signed by the authors. If Fred and Bobbie combine their collections, what fraction of the books are signed by the authors?
A. 11/30
B. 29/60
C. 23/30
D. 17/20
E. It cannot be determined.
Answer: A
Source: Princeton Review
A. 11/30
B. 29/60
C. 23/30
D. 17/20
E. It cannot be determined.
Answer: A
Source: Princeton Review
