SOLUTION: 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?

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?
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Proportion:
hor/vert = hor/vert
x/10.5 = 3/100
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x = 10.5(100/3)
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x = 340 ft.
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Cheers,
Stan H.
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