You solve for y and get
y=3/4x-5
Slope is 3/4
Y intercept is -5
See, pls, the attached picture, the area determined by the conditions marked by yellow lines.
The answer is 217 with a remainder of 20.
explanation is in the picture.
O would be the answer, but I’m not sure why you have 3
(360.00 to be exact)