$206
Expanation
7.75 7 hours (7 x $12 = 95) .75 ( 3/4 of 100) so 3/4 of 60 is 45 now when she works for 30 mins she would earn 6 dollars because it is half of 12. So if it is 45 mins she would earn 9 dollars so if we add it becomes $104
8.5 8 hours and 30 mins because.5 so 8x 12 becomes 96 + 6 ( half of 12) becomes $ 102