Answer:
Yes, it is proportional because it has a constant rate of change. I think so at least.
Step-by-step explanation:
Every day she loses $5.
In:mi
2 = 30
x = 120
2/30=x/120
(Cross Multiply)
30x= 240
30x/30=240/30
X=8
I'm pretty sure it would be 4 20÷5=4
I don't know the answer, but I suggest downloading the app: PhotoMath. It scans a math problem and shows you how to complete the problem. I hope this helped~!
Answer:
I think it is 13/15 (0,8666666...) but I am not sure