Answer:
I can't help you if you don't show me the graph or the whole thing
Step-by-step explanation:
y=30, x=10
A.5
B.12
C.42
A. 5th time meaning 72-(0.75*5)=68.25
B.72-63=9 9/0.75=12
C.40*0.75=30 72-30=42