yes just keep doing your sit ups
75 to 85lbs is average
nope!! average!
That depends on how tall she is.
125lbs
12:5
Nope, it's fine.
172 - 176 pounds
A little exercise would help
no, that's normal weight x
Between 80 and 100 pounds is ideal. Probably closer to 100.
about 1500 - more if you do exercise
With the information given that is certainly over weight.