it would be like first round she started with 0 and she loses means points goes negetive
-3 1/2 it is a mixed number solve it==7/2
round 2 she wins 28 1/2 mixed number solved to 57/2
at round 2 her score will be -7/2+57/2=50/2=25
at round 3 she loses again 7/2 means 25-7/2=43/2 will be her score