math
posted by julie .
Donna does 26 sitsups on her fifth day of practice. If she has done 5 more each day than the day before. how many sit up did she do the first day.
my answer was 6 but my mom don't agree

You're right. :)
1st day = 6
2nd day = 11
3rd day = 16
4th day = 21
5th day = 26