Moving Conveyor Is Built to Rise 5 Meters for Every $\frac { 5 } { 7 }$

Multiple Choice

moving conveyor is built to rise 5 meters for every 7 meters of horizontal change. Find the slope of the conveyor.

A) 0
B) $\frac { 5 } { 7 }$
C) $\frac { 7 } { 5 }$
D) $- \frac { 7 } { 5 }$
E) $- \frac { 5 } { 7 }$