Answer:
Jim has 54 books.
Bob has 27 books.
Charles has 2/3 as many books as Bob:
27 ÷ 3 = 9
9 x 2 = 18
Charles has 18 books.
Jim has 3 times as many books as Charles:
18 x 3 = 54 therefore Jim has 54 books.
Explanation:
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