a wheelchair ramp at a certain campus is designed so that every vertical rise of 1 foot is accompanied by a horizontal run of 13 feet. What is the grade of such a ramp?

Round your answer to the nearest tenth of a percent.

Question

a wheelchair ramp at a certain campus is designed so that every vertical rise of 1 foot is accompanied by a horizontal run of 13 feet. What is the grade of such a ramp? 

Round your answer to the nearest tenth of a percent.

anonymous · Answer

Grade is just your slope which is defined as rise over run.  You have a rise of 1 for every run of 13 feet.  Just divide 1 by 13 and you have your slope.  To change it to percent, just multiply your result by 100.

anonymous · Answer

so i should get 0.07 correct?

anonymous · Answer

or 7% rather?

anonymous · Answer

You are asked to round to the nearest tenth of a percent.  I get 7.7%

anonymous · Answer

oh i see my calculator isn't working right. I do get that answer from the calculator online. thanks