Answer:
%m = 320%
Explanation:
To calculate slope, we divide the vertical change by the horizontal change.
Δy = 9400m - 1400m = 8000m
Δx = 2.5km - 0km = 2500m - 0m = 2500m
m (slope) = Δy/Δx = 8000/2500 = 3.2
The average percent slope is simply the slope x 100.
3.2 x 100 = 320%