Question

the cement of a mountain pass is 8,050 ft above sea level the valley below is 12 and 1/2 ft below sea level what is a vertical distance between the cement and the valley

Answer 1

1) Let's sketch this to better understand

2) The vertical distance between the cement and the valley

can be found

Let's turn the 12 1/2 from the valley to decimals. 12 1/2 = 12.5

The distance from the top of the mountain to the valley. Considering sea level =0.

8050 +12.5 = 8062.5 ft