Question

The grade of a road is 3%.
a) Calculate the vertical climb, in meters, for a horizontal distance of 1.5 km.
b) Calculate the run, in kilometers, necessary to reach the top of an 81 m high hill.

Answer 1

a) $c=1500*0.03=45\ m.$

b) $r=\frac{81}{0.03}=2700 \ m=2.7 \ km.$