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What percentage grade should a road have if the angle of elevation of the road is 3 degrees? (The percentage grade is defined as the

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What percentage grade should a road have if the angle of elevation of the road is 3 degrees? (The percentage grade is defined as the change in the altitude of the road over a 100-foot horizontal distance. For example a 5% grade means that the road rises 5 feet for every 100 feet of horizontal distance.) Round your answer to two decimal places. The road should have a(n) Number o grade

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