A mine equipment room is 40 meters below the surface of the ground. The work area of the 5 times deeper. What is the elevation of the work area?
Accepted Solution
A:
Answer:The elevation of the work area is 200 meters below the surface of the groundStep-by-step explanation:Let x -----> the elevation of the work areay ----> the elevation of a mine equipment roomwe know thatThe elevation above the surface of the ground is positiveThe elevation below the surface of the ground is negativewe have[tex]y=-40\ m[/tex] ---> is negative because is below the surface of the groundThe work area of the mine is 5 times deeper than the elevation of a mine equipment roomso[tex]x=5y[/tex]substitute the value of y[tex]x=5(-40)=-200\ m[/tex]thereforeThe elevation of the work area is 200 meters below the surface of the ground