Question 51131
PICTURE A GRAPH WITH AN X AXIS OF 1000 METERS AND A Y AXIS OF AT LEAST 3 METERS.

THE FIRST POINT ON THE LINE FOR THE AQUEDUCT IS (0,0) AND THE SECOND POINT IS (1000,3) THUS YOU HAVE A SLOPE OF (0-3)/(0-1000) OR -3/-1000 OR .003 FOR THE SLOPE OF THE AQUADUCT.