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Mathematics 11 Online
OpenStudy (anonymous):

The grade of a road is just the slope converted into a percent. So when you find the slope, multiply by 100 to get the grade. Again we use only non-negative slopes. A road rises 12 feet over a horizontal distance of 640 feet. What is its slope? What is its grade?

OpenStudy (amistre64):

slope is 12/640 reduce as needed grade = 120/64 reduce as needed

OpenStudy (anonymous):

How did you get those numbers

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