SOLUTION: I wasn't quiet sure which category this question would fall under, but I figured this would be best. Anyhow, my question is: Ryan watched as the new sewer line was laid from t

Question 798651: I wasn't quiet sure which category this question would fall under, but I figured this would be best. Anyhow, my question is:
Ryan watched as the new sewer line was laid from the house to the main line, a distance of 48 feet. At the edge of the house, the sewer line was 6 inches under the ground.
a) If the plumber tied in to the main line at a depth of 18 inches, what is the slope of the sewer line?
Equation used:___________ Slope:____________

Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!

where the is the horizontal distance (in inches) to the sewer main,
and is the height (in inches).
We can make point (,) the connection at the main,
and (,) the connection at the house.

That tells us that going from the main to the house the pipe would go up 1 inch as it goes forward 48.
Since = 2%, maybe they call that a 2% slope.
Or maybe there are regulations for slope of the sewer lines, and maybe they measure the slope in inches per foot, so that would be

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