Answer :

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%