I know the answer. It would be 5/6.
Slope: 15 Y Int:40 equation y=15x+40. 24 Hours $55
If your looking for slope Intercept form. y = 2/3x + 6.67. and
y = 2x + 4
I think
The answer is a. your welcome
3-1
6-2
9-3
18-18
I think those are the proper ratios