Question

The steepness or grade of a road is expressed as a percent. if a road rises 6feet for every 24 horizontal feet. What is the slope of the road? what percent grade is this ?

Answer 1

um the person above me answered it

Answer 2

25%

Explanation:

The ratio of rise to run is ...

rise/run = 6 ft/24 ft = 1/4

Expressed as a percentage, this is ...

1/4 × 100% = 25%

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Comment on this grade

Interstate highways are limited to a 7% grade. Most local jurisdictions limit the grade of a road to somewhere between 12% and 15%.