Answer: "9 books" .
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5 5/8 ÷ 5/8 =
45/8 ÷ 5/8 =
45/8 * 8/5 = ? ; The "8's" cancel to "1's" since "8÷8=1" ;
The "45" cancels to a ""; and the "5" cancels to a "1" ;
since "45÷5=9" ; and "5÷5 =1 "
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and rewrite as: 9/1 * 1/1 = 9 *1 = 9.
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The answer is: 9 books .
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