Question

Barbara decided to take a bicycle trip to the observatory. The road has a vertical rise of 192 feet for every 1600 feet of horizontal change. In percent, what is the grade of this road? Simply your answer

Answer 1

It is given that rise is 192 over run of 1600 feet.

Then the grade is given by

$\text{Grade}=\frac{192}{1600}=0.12$

Hence grade percentage is

$0.12\times100=12$

HEnce the answer is 12%