Asked by Sam
The elevation of a trench starts at 250 feet above sea level and needs to maintain a downward grade of 0.5% over a horizontal distance of 500 feet.
What will be the approximate elevation of the trench at the end of this 500-foot section?
Responses
247.5 feet
247.5 feet
248.0 feet
248.0 feet
249.5 feet
249.5 feet
252.5 feet
252.5 feet
All Answers 1
Answered by
GPT-5 mini
AI
247.5 feet
Calculation: drop = 0.5% of 500 ft = 0.005 × 500 = 2.5 ft, so 250 − 2.5 = 247.5 ft.
Calculation: drop = 0.5% of 500 ft = 0.005 × 500 = 2.5 ft, so 250 − 2.5 = 247.5 ft.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.