Question

Donna does 26 sits-ups 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

Answer 1

You're right. :-)

1st day = 6
2nd day = 11
3rd day = 16
4th day = 21
5th day = 26