Respuesta :

A. 8 books per shelf.
So you find the greatest common denominator of 32 and 56.
[tex] \frac{32}{56} \div 8 = \frac{4}{7} [/tex]
B. 11 shelves
The max # of books per shelf would be 8.
4 shelves of mystery and 7 shelves of biography.
4 + 7 = 11