Question 397820: the grade of a highway up a hill is 3% how much change in horizontal distance is there if the vertical height of the hill is 10.5ft? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the grade of a highway up a hill is 3% how much change in horizontal distance is there if the vertical height of the hill is 10.5ft?
-----
Proportion:
hor/vert = hor/vert
x/10.5 = 3/100
---
x = 10.5(100/3)
---
x = 340 ft.
===============
Cheers,
Stan H.