<span>Since 3100/1.4*5280=3100/7392=24.8 degrees for the angle of the ski slope.</span>
Answer:
perpendicular (90 deg to each other)
Step-by-step explanation:
The answer would look something like this:

There could also have a simplified version.
I hope this helps.
The percent of discount is 70%.
120 + 120 + X + X = 360
240 + 2X = 360
2X = 120
X = 60