Explanation
From the question, we are given that Mason reads 12 books in 4months. This implies that Maso averages
[tex]\frac{12}{4}=3\text{books per month}[/tex]Therefore, in 5 months, Mason would have read a total of
[tex]3\text{books/per month x 5months = 15 books}[/tex]Answer: 15 books
