Posted by **manal HELP ME ** on Tuesday, November 15, 2011 at 11:38am.

The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be GREATER THAN 100%?...

PLS HELPE TO SOLVE URGENTLY

- SLOPE MATH -
**MathMate**, Tuesday, November 15, 2011 at 3:30pm
According to the rule, a 100% grade rises 100 feet for every 100 feet of horizontal run. This makes a 45° angle with the horizontal.

Cars cannot drive up that slope, nor trucks. For someone to walk on it, it requires the friction. I managed to walk on a shingled roof of 40° on running shoes (so they don't slip) but it was not easy.

Yes, it is possible to have a grade of more than 100%, but probably not for a useful road.

- SLOPE MATH -
**Anonymous**, Tuesday, November 15, 2011 at 4:03pm
Find the simple interest on a loan of $300 for a 8months at 6% annual interest?

- SLOPE MATH -
**MathMate**, Tuesday, November 15, 2011 at 4:25pm
Please post unrelated questions as a new post, and specify explicitly the topic, for example:

Math-simple interest

- SLOPE MATH -
**Anonymous**, Wednesday, December 31, 2014 at 10:09am
A very steep street has a maximuim rise of 11 meters for a horizontal distance of 14.39 meters. Find the grade of this section of road.

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