Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 12 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 60 ft
B. 15 ft
C. 216 ft
D. 2.16 ft
Answer: A
Mathematics
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