Problem
First name
Mohamed Ali
School
King Solomon Academy
Country
Age
11
I first did 144 - 11 which equals 133. The factors of 133 are 1, 7, 19 and 133. I divided it by 19, which looked the most sensible to me. 144 divided by 19 is 7, remainder 11. 220, likewise was 11, remainder 11. So n turned out to be 19