What is the difference in elevation between the top of a mountain 8,867 ft above sea level and a point in a valley 248 ft below sea level?
A) 8,371 ft
B) 8,619 ft
C) 9,115 ft
D) 9,363 ft
E) -8,619 ft

Question

Quizplus · Accepted Answer

To find the difference in elevation, we need to subtract the elevation of the valley point from the elevation of the mountain top. 
867 ft (elevation of mountain top) - (-248 ft) (elevation of valley point) = 8,867 ft + 248 ft = 9,115 ft. Therefore the difference in elevation is 9,115 ft.

What Is the Difference in Elevation Between the Top of a Mountain