Respuesta :

42 books he can/will read in 5 months. 

HolmesNWatson
If Kolby is reading 108 books per year, and there are 12 months in a year, this means that he is reading 9 books a month. (108/12=9)
As this is over five months, he will be reading 45 books (9*5)
Hope this helps :)