19 for example 91/36 = 2 19/36
7*4=36
-36
19 + 17 = 36
1 with remainder 19.
No 19 is not a factor of 36. Some factors of 36 are 1,2,3,4,6,9,12,18 and 36.
9 R 11
-36
55
100*19/36 = 52.8%
Use a proportion 19/36 = x/100 cross multiply = 52.777....... % or just take 19/36
19+36-47=8