The grade of a road or ramp refers to its slope expressed

Chapter 3, Problem 3.1.299

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The grade of a road or ramp refers to its slope expressed as a percent. Use this information to solve Exercises 4950. Construction laws are very specific when it comes to access ramps for the disabled. Every vertical rise of 1 foot requires a horizontal run of 12 feet. What is the grade of such a ramp? Round to the nearest tenth of a percent.

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