Answer:
a
Step-by-step explanation:
The answer would be D if it was 250-6-3n. it wouldnt be A or C because 9 isnt anywhere in the problem and it wouldnt be B because she used 6 peices of paper she didnt just give it to her students
-9 and 4/5-4 and 3/5=-14 and 2/5
You add 5 each time.
4+5=9
9+5=14
14+5=19 and so on...