# algebra

posted by .

A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this

• algebra -

Grade is rise/run, or difference in elevation divided by the horizontal distance.
If the roof rises 1.4' vertically over a horizontal distance of 11.8', the grade is 1.4/11.8=0.1186, or in percents, then multiply the above fraction by 100 to get
1.4/11.8*100=11.86%.

## Similar Questions

1. ### MAT116-Algebra 1A math

A roof rises 1.9 feet vertically and 5.9 feet horizontally. What si the grade of the roof?
2. ### math

a roof rises 1.2 feet vertically and 5.9 feet horizontally. What is the grade of the roof?
3. ### Math

a roof rises 1.9 feet vertically and 9.1 feet horizonally. what is the grade of the roof?
4. ### math

a roof rises 1.1 feet vertically and 13.6ft horizontally what is the grade of the roof.
5. ### math

a roof is 2.5 feet vertically and 12.3 feet horizontally. what is the grade of the roof?
6. ### mat 116

a roof rises 1.9 feet vertically and 7 feet horizontally. what is the grade of the roof?
7. ### algebra

a roof rises 1.3 feet vertically and 13.1 feet horizontally. wgat is the grade of the roof?
8. ### Algebra

a roof rises 2.4 feet vertically and 7.3 feet horizontally. what is the grade of the roof?
9. ### Algebra

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof?
10. ### physics

A roof rises 1.7 feet vertically and 13.3 feet horizontally. What is the grade of the roof in percentage

More Similar Questions