Answer:
5
Step-by-step explanation:
when 13 is subtracted from 5 we get 8
again when 8=2m
8/2=m
4=m
.
I think you would do 15 divided by 5 but I’m not 100% shure
Answer:

Where
,
, and 
Step-by-step explanation:
See the attached image for the long division I did to get this answer!