Answer: Path A grade is 39.39% and Path B is 70.25%.
Explanation:
Since we have given that
Path A
for every 33 meters of horizontal distance, the vertical change is 13 meters.
Mountain path grade would be
Path B
for every 4.27 meters of horizontal distance, the vertical change is 3 meters.
Mountain path grade would be
Hence, Path A grade is 39.39% and Path B is 70.25%.