**1. The problem statement, all variables and given/known data**

Find the elevation at point A. in the figure shown.

**2. Relevant equations**

P = pgh

**3. The attempt at a solution**

So i Converted 0.21kg/cm^2 to Kn/m^2 and i got 20.6kN/m^2 or 20.6kPa

and -30cm Hg i got 40kN/m^2 or 40kPa

http://ift.tt/1r5MLgk