I'm not sure about the answer, but this is how I would do it, since 15% and $150 are the same based on the question. do let me know if it's right! :)
your equation is linear, so there isn't any arch
Answer:
edit: adjacent angles
Step-by-step explanation:
hope this helps
Y=3/4x+1/4 if you take a close look at where the line crosses over the y-axis.
The answer would be 32/5 or 6 2/5 or 6.4
Hope this helps
Have a great day/night