A Pipeline Is to Span a Horizontal Distance of 144

Multiple Choice

A pipeline is to span a horizontal distance of 144 feet.But the pipeline is sloped downward to promote drainage.The pipeline drops by a total of 14 feet over that span.How much lower is the pipe at the end of each 12-foot horizontal stretch? ​

A) 1.64 feet
B) 0.10 feet
C) 0.56 feet
D) 1.17 feet